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3cfe6dfd | 1 | /* Fundamental definitions for GNU Emacs Lisp interpreter. |
73b0cd50 | 2 | Copyright (C) 1985-1987, 1993-1995, 1997-2011 |
8cabe764 | 3 | Free Software Foundation, Inc. |
3cfe6dfd JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
3cfe6dfd | 8 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
3cfe6dfd JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
3cfe6dfd | 19 | |
6b61353c KH |
20 | #ifndef EMACS_LISP_H |
21 | #define EMACS_LISP_H | |
22 | ||
6a8033e1 | 23 | #include <stdarg.h> |
89887d67 | 24 | #include <stddef.h> |
8ac068ac | 25 | #include <inttypes.h> |
dd3482fe | 26 | #include <limits.h> |
6a8033e1 | 27 | |
be44ca6c PE |
28 | #include <intprops.h> |
29 | ||
7b3a82d7 DN |
30 | /* Use the configure flag --enable-checking[=LIST] to enable various |
31 | types of run time checks for Lisp objects. */ | |
35f464a7 | 32 | |
cdf61d83 | 33 | #ifdef GC_CHECK_CONS_LIST |
e5aab7e7 PE |
34 | extern void check_cons_list (void); |
35 | #define CHECK_CONS_LIST() check_cons_list () | |
cdf61d83 | 36 | #else |
e5aab7e7 | 37 | #define CHECK_CONS_LIST() ((void) 0) |
cdf61d83 | 38 | #endif |
3cfe6dfd | 39 | |
122b0c86 PE |
40 | /* Temporarily disable wider-than-pointer integers until they're tested more. |
41 | Build with CFLAGS='-DWIDE_EMACS_INT' to try them out. */ | |
42 | /* #undef WIDE_EMACS_INT */ | |
43 | ||
ce99fd65 | 44 | /* These are default choices for the types to use. */ |
68c45bf0 | 45 | #ifndef EMACS_INT |
122b0c86 | 46 | # if BITS_PER_LONG < BITS_PER_LONG_LONG && defined WIDE_EMACS_INT |
47be4ab5 PE |
47 | # define EMACS_INT long long |
48 | # define BITS_PER_EMACS_INT BITS_PER_LONG_LONG | |
49 | # define pI "ll" | |
50 | # elif BITS_PER_INT < BITS_PER_LONG | |
51 | # define EMACS_INT long | |
52 | # define BITS_PER_EMACS_INT BITS_PER_LONG | |
53 | # define pI "l" | |
54 | # else | |
55 | # define EMACS_INT int | |
56 | # define BITS_PER_EMACS_INT BITS_PER_INT | |
57 | # define pI "" | |
58 | # endif | |
68c45bf0 PE |
59 | #endif |
60 | #ifndef EMACS_UINT | |
47be4ab5 | 61 | # define EMACS_UINT unsigned EMACS_INT |
68c45bf0 | 62 | #endif |
ce99fd65 | 63 | |
a81d11a3 PE |
64 | /* printmax_t and uprintmax_t are types for printing large integers. |
65 | These are the widest integers that are supported for printing. | |
66 | pMd etc. are conversions for printing them. | |
67 | On C99 hosts, there's no problem, as even the widest integers work. | |
68 | Fall back on EMACS_INT on pre-C99 hosts. */ | |
69 | #ifdef PRIdMAX | |
70 | typedef intmax_t printmax_t; | |
71 | typedef uintmax_t uprintmax_t; | |
72 | # define pMd PRIdMAX | |
73 | # define pMu PRIuMAX | |
74 | #else | |
75 | typedef EMACS_INT printmax_t; | |
76 | typedef EMACS_UINT uprintmax_t; | |
77 | # define pMd pI"d" | |
78 | # define pMu pI"u" | |
79 | #endif | |
80 | ||
9c4c5f81 PE |
81 | /* Use pD to format ptrdiff_t values, which suffice for indexes into |
82 | buffers and strings. Emacs never allocates objects larger than | |
83 | PTRDIFF_MAX bytes, as they cause problems with pointer subtraction. | |
84 | In C99, pD can always be "t"; configure it here for the sake of | |
85 | pre-C99 libraries such as glibc 2.0 and Solaris 8. */ | |
86 | #if PTRDIFF_MAX == INT_MAX | |
87 | # define pD "" | |
88 | #elif PTRDIFF_MAX == LONG_MAX | |
89 | # define pD "l" | |
90 | #elif PTRDIFF_MAX == LLONG_MAX | |
91 | # define pD "ll" | |
92 | #else | |
93 | # define pD "t" | |
94 | #endif | |
95 | ||
e0b8c689 | 96 | /* Extra internal type checking? */ |
c6129d7e KR |
97 | |
98 | #ifdef ENABLE_CHECKING | |
99 | ||
244ed907 PE |
100 | extern void die (const char *, const char *, int) NO_RETURN; |
101 | ||
383b707e KR |
102 | /* The suppress_checking variable is initialized to 0 in alloc.c. Set |
103 | it to 1 using a debugger to temporarily disable aborting on | |
104 | detected internal inconsistencies or error conditions. | |
105 | ||
106 | Testing suppress_checking after the supplied condition ensures that | |
107 | the side effects produced by CHECK will be consistent, independent | |
108 | of whether ENABLE_CHECKING is defined, or whether the checks are | |
109 | suppressed at run time. | |
110 | ||
111 | In some cases, a good compiler may be able to optimize away the | |
112 | CHECK macro altogether, e.g., if XSTRING (x) uses CHECK to test | |
113 | STRINGP (x), but a particular use of XSTRING is invoked only after | |
114 | testing that STRINGP (x) is true, making the test redundant. */ | |
115 | ||
244ed907 PE |
116 | extern int suppress_checking EXTERNALLY_VISIBLE; |
117 | ||
6cbe2e28 | 118 | #define CHECK(check,msg) (((check) || suppress_checking \ |
7eb9e30d | 119 | ? (void) 0 \ |
6cbe2e28 | 120 | : die ((msg), __FILE__, __LINE__)), \ |
c6129d7e | 121 | 0) |
e0b8c689 | 122 | #else |
c6129d7e | 123 | |
e0b8c689 KR |
124 | /* Produce same side effects and result, but don't complain. */ |
125 | #define CHECK(check,msg) ((check),0) | |
c6129d7e | 126 | |
e0b8c689 | 127 | #endif |
c6129d7e | 128 | |
e0b8c689 KR |
129 | /* Define an Emacs version of "assert", since some system ones are |
130 | flaky. */ | |
3694b4ab | 131 | #ifndef ENABLE_CHECKING |
8ef4622d | 132 | #define eassert(X) ((void) (0 && (X))) /* Check that X compiles. */ |
3694b4ab | 133 | #else /* ENABLE_CHECKING */ |
e0b8c689 KR |
134 | #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__) |
135 | #define eassert(cond) CHECK(cond,"assertion failed: " #cond) | |
136 | #else | |
137 | #define eassert(cond) CHECK(cond,"assertion failed") | |
138 | #endif | |
3694b4ab | 139 | #endif /* ENABLE_CHECKING */ |
b9466edb | 140 | \f |
d9170db5 DN |
141 | /* Use the configure flag --enable-use-lisp-union-type to make |
142 | Lisp_Object use a union type instead of the default int. The flag | |
143 | causes USE_LISP_UNION_TYPE to be defined. */ | |
b86cfd28 | 144 | |
b9466edb SM |
145 | /***** Select the tagging scheme. *****/ |
146 | /* There are basically two options that control the tagging scheme: | |
b86cfd28 EZ |
147 | - USE_LISP_UNION_TYPE says that Lisp_Object should be a union instead |
148 | of an integer. | |
b9466edb SM |
149 | - USE_LSB_TAG means that we can assume the least 3 bits of pointers are |
150 | always 0, and we can thus use them to hold tag bits, without | |
151 | restricting our addressing space. | |
152 | ||
153 | If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus | |
154 | restricting our possible address range. Currently USE_LSB_TAG is not | |
155 | allowed together with a union. This is not due to any fundamental | |
156 | technical (or political ;-) problem: nobody wrote the code to do it yet. | |
157 | ||
158 | USE_LSB_TAG not only requires the least 3 bits of pointers returned by | |
159 | malloc to be 0 but also needs to be able to impose a mult-of-8 alignment | |
160 | on the few static Lisp_Objects used: all the defsubr as well | |
161 | as the two special buffers buffer_defaults and buffer_local_symbols. */ | |
162 | ||
163 | /* First, try and define DECL_ALIGN(type,var) which declares a static | |
164 | variable VAR of type TYPE with the added requirement that it be | |
165 | TYPEBITS-aligned. */ | |
166 | #ifndef NO_DECL_ALIGN | |
167 | # ifndef DECL_ALIGN | |
7cae64b4 | 168 | # if HAVE_ATTRIBUTE_ALIGNED |
b9466edb SM |
169 | # define DECL_ALIGN(type, var) \ |
170 | type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var | |
7cae64b4 PE |
171 | # else |
172 | /* What directives do other compilers use? */ | |
b9466edb SM |
173 | # endif |
174 | # endif | |
175 | #endif | |
176 | ||
177 | /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */ | |
7cae64b4 PE |
178 | #if (defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ \ |
179 | || defined DARWIN_OS || defined __sun) | |
b9466edb SM |
180 | /* We also need to be able to specify mult-of-8 alignment on static vars. */ |
181 | # if defined DECL_ALIGN | |
b349d111 | 182 | # define USE_LSB_TAG |
b9466edb SM |
183 | # endif |
184 | #endif | |
185 | ||
186 | /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */ | |
187 | #ifndef DECL_ALIGN | |
188 | # ifdef USE_LSB_TAG | |
189 | # error "USE_LSB_TAG used without defining DECL_ALIGN" | |
190 | # endif | |
191 | # define DECL_ALIGN(type, var) type var | |
192 | #endif | |
193 | ||
e0b8c689 | 194 | |
99a3d506 | 195 | /* Define the fundamental Lisp data structures. */ |
3cfe6dfd | 196 | |
2de9f71c SM |
197 | /* If USE_2_TAGBITS_FOR_INTS is defined, then Lisp integers use |
198 | 2 tags, to give them one extra bit, thus extending their range from | |
199 | e.g -2^28..2^28-1 to -2^29..2^29-1. */ | |
200 | #define USE_2_TAGS_FOR_INTS | |
201 | ||
202 | /* Making it work for the union case is too much trouble. */ | |
203 | #ifdef USE_LISP_UNION_TYPE | |
204 | # undef USE_2_TAGS_FOR_INTS | |
205 | #endif | |
206 | ||
99a3d506 | 207 | /* This is the set of Lisp data types. */ |
3cfe6dfd | 208 | |
2de9f71c SM |
209 | #if !defined USE_2_TAGS_FOR_INTS |
210 | # define LISP_INT_TAG Lisp_Int | |
211 | # define case_Lisp_Int case Lisp_Int | |
212 | # define LISP_STRING_TAG 4 | |
213 | # define LISP_INT_TAG_P(x) ((x) == Lisp_Int) | |
214 | #else | |
215 | # define LISP_INT_TAG Lisp_Int0 | |
216 | # define case_Lisp_Int case Lisp_Int0: case Lisp_Int1 | |
217 | # ifdef USE_LSB_TAG | |
218 | # define LISP_INT1_TAG 4 | |
219 | # define LISP_STRING_TAG 1 | |
220 | # define LISP_INT_TAG_P(x) (((x) & 3) == 0) | |
221 | # else | |
222 | # define LISP_INT1_TAG 1 | |
223 | # define LISP_STRING_TAG 4 | |
224 | # define LISP_INT_TAG_P(x) (((x) & 6) == 0) | |
225 | # endif | |
226 | #endif | |
227 | ||
3cfe6dfd JB |
228 | enum Lisp_Type |
229 | { | |
99a3d506 | 230 | /* Integer. XINT (obj) is the integer value. */ |
2de9f71c SM |
231 | #ifdef USE_2_TAGS_FOR_INTS |
232 | Lisp_Int0 = 0, | |
233 | Lisp_Int1 = LISP_INT1_TAG, | |
234 | #else | |
235 | Lisp_Int = 0, | |
236 | #endif | |
3cfe6dfd | 237 | |
99a3d506 | 238 | /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */ |
2de9f71c | 239 | Lisp_Symbol = 2, |
3cfe6dfd | 240 | |
84d1833e KH |
241 | /* Miscellaneous. XMISC (object) points to a union Lisp_Misc, |
242 | whose first member indicates the subtype. */ | |
2de9f71c | 243 | Lisp_Misc = 3, |
3cfe6dfd JB |
244 | |
245 | /* String. XSTRING (object) points to a struct Lisp_String. | |
99a3d506 | 246 | The length of the string, and its contents, are stored therein. */ |
2de9f71c | 247 | Lisp_String = LISP_STRING_TAG, |
3cfe6dfd | 248 | |
b5088f80 | 249 | /* Vector of Lisp objects, or something resembling it. |
7c06ac2b | 250 | XVECTOR (object) points to a struct Lisp_Vector, which contains |
b5088f80 KH |
251 | the size and contents. The size field also contains the type |
252 | information, if it's not a real vector object. */ | |
2de9f71c | 253 | Lisp_Vectorlike = 5, |
3cfe6dfd | 254 | |
99a3d506 | 255 | /* Cons. XCONS (object) points to a struct Lisp_Cons. */ |
2de9f71c | 256 | Lisp_Cons = 6, |
4d1207f6 | 257 | |
2de9f71c | 258 | Lisp_Float = 7, |
3cfe6dfd JB |
259 | }; |
260 | ||
a32fa736 | 261 | /* This is the set of data types that share a common structure. |
c98adc1b KH |
262 | The first member of the structure is a type code from this set. |
263 | The enum values are arbitrary, but we'll use large numbers to make it | |
264 | more likely that we'll spot the error if a random word in memory is | |
265 | mistakenly interpreted as a Lisp_Misc. */ | |
1c4ca5a3 KH |
266 | enum Lisp_Misc_Type |
267 | { | |
c98adc1b | 268 | Lisp_Misc_Free = 0x5eab, |
84d1833e | 269 | Lisp_Misc_Marker, |
99a3d506 | 270 | Lisp_Misc_Overlay, |
222151aa | 271 | Lisp_Misc_Save_Value, |
99a3d506 RS |
272 | /* Currently floats are not a misc type, |
273 | but let's define this in case we want to change that. */ | |
274 | Lisp_Misc_Float, | |
275 | /* This is not a type code. It is for range checking. */ | |
276 | Lisp_Misc_Limit | |
1c4ca5a3 KH |
277 | }; |
278 | ||
ce5b453a SM |
279 | /* These are the types of forwarding objects used in the value slot |
280 | of symbols for special built-in variables whose value is stored in | |
281 | C variables. */ | |
282 | enum Lisp_Fwd_Type | |
283 | { | |
284 | Lisp_Fwd_Int, /* Fwd to a C `int' variable. */ | |
285 | Lisp_Fwd_Bool, /* Fwd to a C boolean var. */ | |
286 | Lisp_Fwd_Obj, /* Fwd to a C Lisp_Object variable. */ | |
287 | Lisp_Fwd_Buffer_Obj, /* Fwd to a Lisp_Object field of buffers. */ | |
288 | Lisp_Fwd_Kboard_Obj, /* Fwd to a Lisp_Object field of kboards. */ | |
289 | }; | |
290 | ||
e2ba196c KH |
291 | #ifndef GCTYPEBITS |
292 | #define GCTYPEBITS 3 | |
293 | #endif | |
294 | ||
5f6bf5fe SM |
295 | /* These values are overridden by the m- file on some machines. */ |
296 | #ifndef VALBITS | |
6b61353c | 297 | #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS) |
5f6bf5fe SM |
298 | #endif |
299 | ||
b86cfd28 | 300 | #ifdef USE_LISP_UNION_TYPE |
3cfe6dfd | 301 | |
671d409f | 302 | #ifndef WORDS_BIGENDIAN |
3cfe6dfd JB |
303 | |
304 | /* Definition of Lisp_Object for little-endian machines. */ | |
305 | ||
306 | typedef | |
307 | union Lisp_Object | |
308 | { | |
309 | /* Used for comparing two Lisp_Objects; | |
99a3d506 | 310 | also, positive integers can be accessed fast this way. */ |
15375a22 | 311 | EMACS_INT i; |
3cfe6dfd JB |
312 | |
313 | struct | |
314 | { | |
201ef780 AS |
315 | /* Use explict signed, the signedness of a bit-field of type |
316 | int is implementation defined. */ | |
317 | signed EMACS_INT val : VALBITS; | |
6b61353c | 318 | enum Lisp_Type type : GCTYPEBITS; |
3cfe6dfd JB |
319 | } s; |
320 | struct | |
321 | { | |
5c20a7bf | 322 | EMACS_UINT val : VALBITS; |
6b61353c | 323 | enum Lisp_Type type : GCTYPEBITS; |
3cfe6dfd | 324 | } u; |
3cfe6dfd JB |
325 | } |
326 | Lisp_Object; | |
327 | ||
671d409f | 328 | #else /* If WORDS_BIGENDIAN */ |
3cfe6dfd JB |
329 | |
330 | typedef | |
331 | union Lisp_Object | |
332 | { | |
333 | /* Used for comparing two Lisp_Objects; | |
99a3d506 | 334 | also, positive integers can be accessed fast this way. */ |
15375a22 | 335 | EMACS_INT i; |
3cfe6dfd JB |
336 | |
337 | struct | |
338 | { | |
6b61353c | 339 | enum Lisp_Type type : GCTYPEBITS; |
201ef780 AS |
340 | /* Use explict signed, the signedness of a bit-field of type |
341 | int is implementation defined. */ | |
342 | signed EMACS_INT val : VALBITS; | |
3cfe6dfd JB |
343 | } s; |
344 | struct | |
345 | { | |
6b61353c | 346 | enum Lisp_Type type : GCTYPEBITS; |
5c20a7bf | 347 | EMACS_UINT val : VALBITS; |
3cfe6dfd | 348 | } u; |
3cfe6dfd JB |
349 | } |
350 | Lisp_Object; | |
351 | ||
671d409f | 352 | #endif /* WORDS_BIGENDIAN */ |
3cfe6dfd | 353 | |
f3fbd155 | 354 | #ifdef __GNUC__ |
55d4c1b2 | 355 | static inline Lisp_Object |
f3fbd155 KR |
356 | LISP_MAKE_RVALUE (Lisp_Object o) |
357 | { | |
358 | return o; | |
359 | } | |
360 | #else | |
52766425 KR |
361 | /* This is more portable to pre-C99 non-GCC compilers, but for |
362 | backwards compatibility GCC still accepts an old GNU extension | |
363 | which caused this to only generate a warning. */ | |
364 | #define LISP_MAKE_RVALUE(o) (0 ? (o) : (o)) | |
f3fbd155 KR |
365 | #endif |
366 | ||
b86cfd28 | 367 | #else /* USE_LISP_UNION_TYPE */ |
3cfe6dfd | 368 | |
1c5ca8b6 | 369 | /* If union type is not wanted, define Lisp_Object as just a number. */ |
3cfe6dfd | 370 | |
c003141f | 371 | typedef EMACS_INT Lisp_Object; |
f3fbd155 | 372 | #define LISP_MAKE_RVALUE(o) (0+(o)) |
b86cfd28 | 373 | #endif /* USE_LISP_UNION_TYPE */ |
3cfe6dfd | 374 | |
6df4097e PE |
375 | /* In the size word of a vector, this bit means the vector has been marked. |
376 | (Shift -1 left, not 1, to avoid provoking overflow diagnostics.) */ | |
846d69ac | 377 | |
6df4097e | 378 | #define ARRAY_MARK_FLAG ((EMACS_INT) -1 << (BITS_PER_EMACS_INT - 1)) |
846d69ac | 379 | |
b5088f80 KH |
380 | /* In the size word of a struct Lisp_Vector, this bit means it's really |
381 | some other vector-like object. */ | |
6df4097e | 382 | #define PSEUDOVECTOR_FLAG ((EMACS_INT) 1 << (BITS_PER_EMACS_INT - 2)) |
b5088f80 | 383 | |
303a5c93 | 384 | /* In a pseudovector, the size field actually contains a word with one |
b5088f80 | 385 | PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to |
49e49fb5 | 386 | indicate the actual type. |
539b8c1c SM |
387 | We use a bitset, even tho only one of the bits can be set at any |
388 | particular time just so as to be able to use micro-optimizations such as | |
389 | testing membership of a particular subset of pseudovectors in Fequal. | |
390 | It is not crucial, but there are plenty of bits here, so why not do it? */ | |
99a3d506 RS |
391 | enum pvec_type |
392 | { | |
393 | PVEC_NORMAL_VECTOR = 0, | |
99a3d506 RS |
394 | PVEC_PROCESS = 0x200, |
395 | PVEC_FRAME = 0x400, | |
396 | PVEC_COMPILED = 0x800, | |
397 | PVEC_WINDOW = 0x1000, | |
398 | PVEC_WINDOW_CONFIGURATION = 0x2000, | |
399 | PVEC_SUBR = 0x4000, | |
608ff985 RS |
400 | PVEC_CHAR_TABLE = 0x8000, |
401 | PVEC_BOOL_VECTOR = 0x10000, | |
402 | PVEC_BUFFER = 0x20000, | |
5010d3b8 | 403 | PVEC_HASH_TABLE = 0x40000, |
49e49fb5 | 404 | PVEC_TERMINAL = 0x80000, |
c73bd236 | 405 | PVEC_SUB_CHAR_TABLE = 0x100000, |
f85064bd KH |
406 | PVEC_FONT = 0x200000, |
407 | PVEC_OTHER = 0x400000, | |
408 | PVEC_TYPE_MASK = 0x7ffe00 | |
e2c0561e | 409 | |
cee971ad GM |
410 | #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to |
411 | GDB. It doesn't work on OS Alpha. Moved to a variable in | |
412 | emacs.c. */ | |
e3d48049 | 413 | PVEC_FLAG = PSEUDOVECTOR_FLAG |
cee971ad | 414 | #endif |
99a3d506 | 415 | }; |
b5088f80 | 416 | |
df631196 SM |
417 | /* For convenience, we also store the number of elements in these bits. |
418 | Note that this size is not necessarily the memory-footprint size, but | |
419 | only the number of Lisp_Object fields (that need to be traced by the GC). | |
420 | The distinction is used e.g. by Lisp_Process which places extra | |
421 | non-Lisp_Object fields at the end of the structure. */ | |
608ff985 | 422 | #define PSEUDOVECTOR_SIZE_MASK 0x1ff |
4435a68a AS |
423 | |
424 | /* Number of bits to put in each character in the internal representation | |
425 | of bool vectors. This should not vary across implementations. */ | |
426 | #define BOOL_VECTOR_BITS_PER_CHAR 8 | |
3cfe6dfd JB |
427 | \f |
428 | /* These macros extract various sorts of values from a Lisp_Object. | |
429 | For example, if tem is a Lisp_Object whose type is Lisp_Cons, | |
99a3d506 | 430 | XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */ |
3cfe6dfd | 431 | |
b86cfd28 | 432 | #ifndef USE_LISP_UNION_TYPE |
3cfe6dfd | 433 | |
b9466edb SM |
434 | /* Return a perfect hash of the Lisp_Object representation. */ |
435 | #define XHASH(a) (a) | |
436 | ||
6b61353c KH |
437 | #ifdef USE_LSB_TAG |
438 | ||
439 | #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1) | |
8ac068ac | 440 | #define XTYPE(a) ((enum Lisp_Type) ((a) & TYPEMASK)) |
2de9f71c SM |
441 | #ifdef USE_2_TAGS_FOR_INTS |
442 | # define XINT(a) (((EMACS_INT) (a)) >> (GCTYPEBITS - 1)) | |
443 | # define XUINT(a) (((EMACS_UINT) (a)) >> (GCTYPEBITS - 1)) | |
444 | # define make_number(N) (((EMACS_INT) (N)) << (GCTYPEBITS - 1)) | |
445 | #else | |
446 | # define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS) | |
447 | # define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS) | |
448 | # define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS) | |
449 | #endif | |
8ac068ac | 450 | #define XSET(var, type, ptr) \ |
d01a7826 PE |
451 | (eassert (XTYPE ((intptr_t) (ptr)) == 0), /* Check alignment. */ \ |
452 | (var) = (type) | (intptr_t) (ptr)) | |
6b61353c | 453 | |
d01a7826 | 454 | #define XPNTR(a) ((intptr_t) ((a) & ~TYPEMASK)) |
6b61353c KH |
455 | |
456 | #else /* not USE_LSB_TAG */ | |
457 | ||
458 | #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1) | |
459 | ||
3cfe6dfd JB |
460 | /* One need to override this if there must be high bits set in data space |
461 | (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work | |
a32fa736 | 462 | on all machines, but would penalize machines which don't need it) |
3cfe6dfd | 463 | */ |
6b61353c | 464 | #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS)) |
3cfe6dfd | 465 | |
221f4ef3 KH |
466 | /* For integers known to be positive, XFASTINT provides fast retrieval |
467 | and XSETFASTINT provides fast storage. This takes advantage of the | |
6b61353c | 468 | fact that Lisp_Int is 0. */ |
e43ec785 | 469 | #define XFASTINT(a) ((a) + 0) |
221f4ef3 | 470 | #define XSETFASTINT(a, b) ((a) = (b)) |
3cfe6dfd | 471 | |
2de9f71c | 472 | /* Extract the value of a Lisp_Object as a (un)signed integer. */ |
3cfe6dfd | 473 | |
2de9f71c SM |
474 | #ifdef USE_2_TAGS_FOR_INTS |
475 | # define XINT(a) ((((EMACS_INT) (a)) << (GCTYPEBITS - 1)) >> (GCTYPEBITS - 1)) | |
476 | # define XUINT(a) ((EMACS_UINT) ((a) & (1 + (VALMASK << 1)))) | |
477 | # define make_number(N) ((((EMACS_INT) (N)) & (1 + (VALMASK << 1)))) | |
478 | #else | |
479 | # define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \ | |
6b61353c | 480 | >> (BITS_PER_EMACS_INT - VALBITS)) |
2de9f71c SM |
481 | # define XUINT(a) ((EMACS_UINT) ((a) & VALMASK)) |
482 | # define make_number(N) \ | |
483 | ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS) | |
3cfe6dfd JB |
484 | #endif |
485 | ||
6df4097e PE |
486 | #define XSET(var, type, ptr) \ |
487 | ((var) = ((EMACS_INT) ((EMACS_UINT) (type) << VALBITS) \ | |
d01a7826 | 488 | + ((intptr_t) (ptr) & VALMASK))) |
b7acde90 | 489 | |
19634648 CY |
490 | #ifdef DATA_SEG_BITS |
491 | /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers | |
492 | which were stored in a Lisp_Object */ | |
d01a7826 | 493 | #define XPNTR(a) ((uintptr_t) (((a) & VALMASK)) | DATA_SEG_BITS)) |
19634648 | 494 | #else |
d01a7826 | 495 | #define XPNTR(a) ((uintptr_t) ((a) & VALMASK)) |
19634648 | 496 | #endif |
b7acde90 | 497 | |
6b61353c | 498 | #endif /* not USE_LSB_TAG */ |
3cfe6dfd | 499 | |
b86cfd28 | 500 | #else /* USE_LISP_UNION_TYPE */ |
3cfe6dfd | 501 | |
2de9f71c SM |
502 | #ifdef USE_2_TAGS_FOR_INTS |
503 | # error "USE_2_TAGS_FOR_INTS is not supported with USE_LISP_UNION_TYPE" | |
504 | #endif | |
505 | ||
b9466edb | 506 | #define XHASH(a) ((a).i) |
3cfe6dfd | 507 | #define XTYPE(a) ((enum Lisp_Type) (a).u.type) |
bc827e23 PE |
508 | #define XINT(a) ((EMACS_INT) (a).s.val) |
509 | #define XUINT(a) ((EMACS_UINT) (a).u.val) | |
3cfe6dfd | 510 | |
b349d111 SM |
511 | #ifdef USE_LSB_TAG |
512 | ||
513 | # define XSET(var, vartype, ptr) \ | |
9a8e8d9b PE |
514 | (eassert ((((uintptr_t) (ptr)) & ((1 << GCTYPEBITS) - 1)) == 0), \ |
515 | (var).u.val = ((uintptr_t) (ptr)) >> GCTYPEBITS, \ | |
b349d111 SM |
516 | (var).u.type = ((char) (vartype))) |
517 | ||
524420d2 SM |
518 | /* Some versions of gcc seem to consider the bitfield width when issuing |
519 | the "cast to pointer from integer of different size" warning, so the | |
520 | cast is here to widen the value back to its natural size. */ | |
d01a7826 | 521 | # define XPNTR(v) ((intptr_t) (v).s.val << GCTYPEBITS) |
b349d111 SM |
522 | |
523 | #else /* !USE_LSB_TAG */ | |
524 | ||
525 | /* For integers known to be positive, XFASTINT provides fast retrieval | |
526 | and XSETFASTINT provides fast storage. This takes advantage of the | |
527 | fact that Lisp_Int is 0. */ | |
528 | # define XFASTINT(a) ((a).i + 0) | |
529 | # define XSETFASTINT(a, b) ((a).i = (b)) | |
530 | ||
531 | # define XSET(var, vartype, ptr) \ | |
9a8e8d9b | 532 | (((var).s.val = ((intptr_t) (ptr))), ((var).s.type = ((char) (vartype)))) |
3cfe6dfd | 533 | |
19634648 CY |
534 | #ifdef DATA_SEG_BITS |
535 | /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers | |
536 | which were stored in a Lisp_Object */ | |
d01a7826 | 537 | #define XPNTR(a) ((intptr_t) (XUINT (a) | DATA_SEG_BITS)) |
19634648 | 538 | #else |
d01a7826 | 539 | #define XPNTR(a) ((intptr_t) XUINT (a)) |
19634648 CY |
540 | #endif |
541 | ||
b349d111 SM |
542 | #endif /* !USE_LSB_TAG */ |
543 | ||
74e49b38 KR |
544 | #if __GNUC__ >= 2 && defined (__OPTIMIZE__) |
545 | #define make_number(N) \ | |
546 | (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; })) | |
547 | #else | |
383e0970 | 548 | extern Lisp_Object make_number (EMACS_INT); |
74e49b38 | 549 | #endif |
e98227af | 550 | |
b86cfd28 | 551 | #endif /* USE_LISP_UNION_TYPE */ |
6b61353c | 552 | |
b349d111 SM |
553 | /* For integers known to be positive, XFASTINT sometimes provides |
554 | faster retrieval and XSETFASTINT provides faster storage. | |
555 | If not, fallback on the non-accelerated path. */ | |
556 | #ifndef XFASTINT | |
557 | # define XFASTINT(a) (XINT (a)) | |
558 | # define XSETFASTINT(a, b) (XSETINT (a, b)) | |
559 | #endif | |
560 | ||
b9466edb SM |
561 | #define EQ(x, y) (XHASH (x) == XHASH (y)) |
562 | ||
0de4bb68 | 563 | /* Number of bits in a fixnum, including the sign bit. */ |
2de9f71c | 564 | #ifdef USE_2_TAGS_FOR_INTS |
0de4bb68 | 565 | # define FIXNUM_BITS (VALBITS + 1) |
2de9f71c | 566 | #else |
0de4bb68 | 567 | # define FIXNUM_BITS VALBITS |
2de9f71c | 568 | #endif |
dc8e8b07 | 569 | |
0de4bb68 PE |
570 | /* Mask indicating the significant bits of a fixnum. */ |
571 | #define INTMASK (((EMACS_INT) 1 << FIXNUM_BITS) - 1) | |
572 | ||
573 | /* Largest and smallest representable fixnum values. These are the C | |
574 | values. */ | |
575 | #define MOST_POSITIVE_FIXNUM (INTMASK / 2) | |
576 | #define MOST_NEGATIVE_FIXNUM (-1 - MOST_POSITIVE_FIXNUM) | |
577 | ||
987c9327 AS |
578 | /* Value is non-zero if I doesn't fit into a Lisp fixnum. It is |
579 | written this way so that it also works if I is of unsigned | |
2e6578fb | 580 | type or if I is a NaN. */ |
dc8e8b07 GM |
581 | |
582 | #define FIXNUM_OVERFLOW_P(i) \ | |
2e6578fb | 583 | (! ((0 <= (i) || MOST_NEGATIVE_FIXNUM <= (i)) && (i) <= MOST_POSITIVE_FIXNUM)) |
dc8e8b07 | 584 | |
99a3d506 | 585 | /* Extract a value or address from a Lisp_Object. */ |
3cfe6dfd | 586 | |
2706ceb6 SM |
587 | #define XCONS(a) (eassert (CONSP(a)),(struct Lisp_Cons *) XPNTR(a)) |
588 | #define XVECTOR(a) (eassert (VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a)) | |
589 | #define XSTRING(a) (eassert (STRINGP(a)),(struct Lisp_String *) XPNTR(a)) | |
590 | #define XSYMBOL(a) (eassert (SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a)) | |
591 | #define XFLOAT(a) (eassert (FLOATP(a)),(struct Lisp_Float *) XPNTR(a)) | |
7c06ac2b RS |
592 | |
593 | /* Misc types. */ | |
c9f6631c | 594 | |
7c06ac2b | 595 | #define XMISC(a) ((union Lisp_Misc *) XPNTR(a)) |
19fa82b9 | 596 | #define XMISCANY(a) (eassert (MISCP (a)), &(XMISC(a)->u_any)) |
67ee9f6e | 597 | #define XMISCTYPE(a) (XMISCANY (a)->type) |
19fa82b9 | 598 | #define XMARKER(a) (eassert (MARKERP (a)), &(XMISC(a)->u_marker)) |
19fa82b9 SM |
599 | #define XOVERLAY(a) (eassert (OVERLAYP (a)), &(XMISC(a)->u_overlay)) |
600 | #define XSAVE_VALUE(a) (eassert (SAVE_VALUEP (a)), &(XMISC(a)->u_save_value)) | |
ce5b453a SM |
601 | |
602 | /* Forwarding object types. */ | |
603 | ||
604 | #define XFWDTYPE(a) (a->u_intfwd.type) | |
605 | #define XINTFWD(a) (eassert (INTFWDP (a)), &((a)->u_intfwd)) | |
606 | #define XBOOLFWD(a) (eassert (BOOLFWDP (a)), &((a)->u_boolfwd)) | |
607 | #define XOBJFWD(a) (eassert (OBJFWDP (a)), &((a)->u_objfwd)) | |
19fa82b9 | 608 | #define XBUFFER_OBJFWD(a) \ |
ce5b453a | 609 | (eassert (BUFFER_OBJFWDP (a)), &((a)->u_buffer_objfwd)) |
19fa82b9 | 610 | #define XKBOARD_OBJFWD(a) \ |
ce5b453a | 611 | (eassert (KBOARD_OBJFWDP (a)), &((a)->u_kboard_objfwd)) |
3cfe6dfd | 612 | |
7c06ac2b | 613 | /* Pseudovector types. */ |
c9f6631c | 614 | |
2706ceb6 SM |
615 | #define XPROCESS(a) (eassert (PROCESSP(a)),(struct Lisp_Process *) XPNTR(a)) |
616 | #define XWINDOW(a) (eassert (WINDOWP(a)),(struct window *) XPNTR(a)) | |
c73bd236 | 617 | #define XTERMINAL(a) (eassert (TERMINALP(a)),(struct terminal *) XPNTR(a)) |
2706ceb6 SM |
618 | #define XSUBR(a) (eassert (SUBRP(a)),(struct Lisp_Subr *) XPNTR(a)) |
619 | #define XBUFFER(a) (eassert (BUFFERP(a)),(struct buffer *) XPNTR(a)) | |
c73bd236 MB |
620 | #define XCHAR_TABLE(a) (eassert (CHAR_TABLE_P (a)), (struct Lisp_Char_Table *) XPNTR(a)) |
621 | #define XSUB_CHAR_TABLE(a) (eassert (SUB_CHAR_TABLE_P (a)), (struct Lisp_Sub_Char_Table *) XPNTR(a)) | |
622 | #define XBOOL_VECTOR(a) (eassert (BOOL_VECTOR_P (a)), (struct Lisp_Bool_Vector *) XPNTR(a)) | |
99a3d506 | 623 | |
99a3d506 | 624 | /* Construct a Lisp_Object from a value or address. */ |
7c06ac2b | 625 | |
a84f89d5 | 626 | #define XSETINT(a, b) (a) = make_number (b) |
a94ef819 | 627 | #define XSETCONS(a, b) XSET (a, Lisp_Cons, b) |
b5088f80 | 628 | #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b) |
a94ef819 KH |
629 | #define XSETSTRING(a, b) XSET (a, Lisp_String, b) |
630 | #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b) | |
a94ef819 | 631 | #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b) |
7c06ac2b RS |
632 | |
633 | /* Misc types. */ | |
c9f6631c | 634 | |
7c06ac2b | 635 | #define XSETMISC(a, b) XSET (a, Lisp_Misc, b) |
a7aa28f6 | 636 | #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker) |
7c06ac2b RS |
637 | |
638 | /* Pseudovector types. */ | |
c9f6631c | 639 | |
eab3844f PE |
640 | #define XSETPVECTYPE(v, code) XSETTYPED_PVECTYPE(v, header.size, code) |
641 | #define XSETTYPED_PVECTYPE(v, size_member, code) \ | |
642 | ((v)->size_member |= PSEUDOVECTOR_FLAG | (code)) | |
643 | #define XSETPVECTYPESIZE(v, code, sizeval) \ | |
644 | ((v)->header.size = PSEUDOVECTOR_FLAG | (code) | (sizeval)) | |
aa0b0087 PE |
645 | |
646 | /* The cast to struct vectorlike_header * avoids aliasing issues. */ | |
7c06ac2b | 647 | #define XSETPSEUDOVECTOR(a, b, code) \ |
c4cfe310 PE |
648 | XSETTYPED_PSEUDOVECTOR(a, b, \ |
649 | ((struct vectorlike_header *) XPNTR (a))->size, \ | |
650 | code) | |
eab3844f | 651 | #define XSETTYPED_PSEUDOVECTOR(a, b, size, code) \ |
beb9f745 | 652 | (XSETVECTOR (a, b), \ |
eab3844f | 653 | eassert ((size & (PSEUDOVECTOR_FLAG | PVEC_TYPE_MASK)) \ |
beb9f745 | 654 | == (PSEUDOVECTOR_FLAG | (code)))) |
aa0b0087 | 655 | |
7c06ac2b RS |
656 | #define XSETWINDOW_CONFIGURATION(a, b) \ |
657 | (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION)) | |
658 | #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS)) | |
659 | #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW)) | |
49e49fb5 | 660 | #define XSETTERMINAL(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_TERMINAL)) |
aa0b0087 | 661 | /* XSETSUBR is special since Lisp_Subr lacks struct vectorlike_header. */ |
eab3844f PE |
662 | #define XSETSUBR(a, b) \ |
663 | XSETTYPED_PSEUDOVECTOR (a, b, XSUBR (a)->size, PVEC_SUBR) | |
7c06ac2b | 664 | #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED)) |
99a3d506 | 665 | #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER)) |
608ff985 RS |
666 | #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE)) |
667 | #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR)) | |
1842abb2 | 668 | #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE)) |
c9f6631c GM |
669 | |
670 | /* Convenience macros for dealing with Lisp arrays. */ | |
671 | ||
915b2a6a | 672 | #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX] |
77b37c05 | 673 | #define ASIZE(ARRAY) XVECTOR ((ARRAY))->header.size |
915b2a6a | 674 | /* The IDX==IDX tries to detect when the macro argument is side-effecting. */ |
4b75ffab SM |
675 | #define ASET(ARRAY, IDX, VAL) \ |
676 | (eassert ((IDX) == (IDX)), \ | |
677 | eassert ((IDX) >= 0 && (IDX) < ASIZE (ARRAY)), \ | |
915b2a6a | 678 | AREF ((ARRAY), (IDX)) = (VAL)) |
c9f6631c | 679 | |
d90a14e0 GM |
680 | /* Convenience macros for dealing with Lisp strings. */ |
681 | ||
674537ea | 682 | #define SDATA(string) (XSTRING (string)->data + 0) |
b9466edb SM |
683 | #define SREF(string, index) (SDATA (string)[index] + 0) |
684 | #define SSET(string, index, new) (SDATA (string)[index] = (new)) | |
7412b6fd KR |
685 | #define SCHARS(string) (XSTRING (string)->size + 0) |
686 | #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0) | |
687 | ||
51b59d79 PE |
688 | /* Avoid "differ in sign" warnings. */ |
689 | #define SSDATA(x) ((char *) SDATA (x)) | |
690 | ||
7412b6fd KR |
691 | #define STRING_SET_CHARS(string, newsize) \ |
692 | (XSTRING (string)->size = (newsize)) | |
d90a14e0 | 693 | |
101d50c8 | 694 | #define STRING_COPYIN(string, index, new, count) \ |
72af86bd | 695 | memcpy (SDATA (string) + index, new, count) |
101d50c8 | 696 | |
c8a39089 KS |
697 | /* Type checking. */ |
698 | ||
699 | #define CHECK_TYPE(ok, Qxxxp, x) \ | |
700 | do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0) | |
701 | ||
702 | ||
3cfe6dfd | 703 | \f |
5f6bf5fe | 704 | /* See the macros in intervals.h. */ |
e221eae3 JA |
705 | |
706 | typedef struct interval *INTERVAL; | |
707 | ||
708 | /* Complain if object is not string or buffer type */ | |
874cc80e | 709 | #define CHECK_STRING_OR_BUFFER(x) \ |
c8a39089 KS |
710 | CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x) |
711 | ||
e221eae3 | 712 | \f |
3cfe6dfd JB |
713 | /* In a cons, the markbit of the car is the gc mark bit */ |
714 | ||
715 | struct Lisp_Cons | |
716 | { | |
8f34f70a KR |
717 | /* Please do not use the names of these elements in code other |
718 | than the core lisp implementation. Use XCAR and XCDR below. */ | |
719 | #ifdef HIDE_LISP_IMPLEMENTATION | |
3a623fee AS |
720 | Lisp_Object car_; |
721 | union | |
722 | { | |
723 | Lisp_Object cdr_; | |
724 | struct Lisp_Cons *chain; | |
725 | } u; | |
8f34f70a | 726 | #else |
3a623fee AS |
727 | Lisp_Object car; |
728 | union | |
729 | { | |
730 | Lisp_Object cdr; | |
731 | struct Lisp_Cons *chain; | |
732 | } u; | |
8f34f70a | 733 | #endif |
3cfe6dfd JB |
734 | }; |
735 | ||
b7acde90 | 736 | /* Take the car or cdr of something known to be a cons cell. */ |
f3fbd155 KR |
737 | /* The _AS_LVALUE macros shouldn't be used outside of the minimal set |
738 | of code that has to know what a cons cell looks like. Other code not | |
739 | part of the basic lisp implementation should assume that the car and cdr | |
740 | fields are not accessible as lvalues. (What if we want to switch to | |
741 | a copying collector someday? Cached cons cell field addresses may be | |
742 | invalidated at arbitrary points.) */ | |
8f34f70a | 743 | #ifdef HIDE_LISP_IMPLEMENTATION |
f3fbd155 | 744 | #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_) |
3a623fee | 745 | #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_) |
8f34f70a | 746 | #else |
f3fbd155 | 747 | #define XCAR_AS_LVALUE(c) (XCONS ((c))->car) |
3a623fee | 748 | #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr) |
8f34f70a | 749 | #endif |
b7acde90 | 750 | |
f3fbd155 KR |
751 | /* Use these from normal code. */ |
752 | #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c)) | |
753 | #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c)) | |
754 | ||
755 | /* Use these to set the fields of a cons cell. | |
756 | ||
757 | Note that both arguments may refer to the same object, so 'n' | |
758 | should not be read after 'c' is first modified. Also, neither | |
759 | argument should be evaluated more than once; side effects are | |
760 | especially common in the second argument. */ | |
761 | #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n)) | |
762 | #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n)) | |
763 | ||
b7acde90 KH |
764 | /* Take the car or cdr of something whose type is not known. */ |
765 | #define CAR(c) \ | |
766 | (CONSP ((c)) ? XCAR ((c)) \ | |
767 | : NILP ((c)) ? Qnil \ | |
915b2a6a | 768 | : wrong_type_argument (Qlistp, (c))) |
b7acde90 KH |
769 | |
770 | #define CDR(c) \ | |
771 | (CONSP ((c)) ? XCDR ((c)) \ | |
772 | : NILP ((c)) ? Qnil \ | |
915b2a6a | 773 | : wrong_type_argument (Qlistp, (c))) |
b7acde90 | 774 | |
c8a39089 KS |
775 | /* Take the car or cdr of something whose type is not known. */ |
776 | #define CAR_SAFE(c) \ | |
777 | (CONSP ((c)) ? XCAR ((c)) : Qnil) | |
778 | ||
779 | #define CDR_SAFE(c) \ | |
780 | (CONSP ((c)) ? XCDR ((c)) : Qnil) | |
781 | ||
d8fc7ce4 KH |
782 | /* Nonzero if STR is a multibyte string. */ |
783 | #define STRING_MULTIBYTE(STR) \ | |
784 | (XSTRING (STR)->size_byte >= 0) | |
785 | ||
786 | /* Return the length in bytes of STR. */ | |
35f464a7 GM |
787 | |
788 | #ifdef GC_CHECK_STRING_BYTES | |
789 | ||
790 | struct Lisp_String; | |
14162469 | 791 | extern EMACS_INT string_bytes (struct Lisp_String *); |
35f464a7 GM |
792 | #define STRING_BYTES(S) string_bytes ((S)) |
793 | ||
794 | #else /* not GC_CHECK_STRING_BYTES */ | |
795 | ||
d8fc7ce4 KH |
796 | #define STRING_BYTES(STR) \ |
797 | ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte) | |
798 | ||
35f464a7 GM |
799 | #endif /* not GC_CHECK_STRING_BYTES */ |
800 | ||
c9d624c6 PE |
801 | /* An upper bound on the number of bytes in a Lisp string, not |
802 | counting the terminating null. This a tight enough bound to | |
803 | prevent integer overflow errors that would otherwise occur during | |
804 | string size calculations. A string cannot contain more bytes than | |
805 | a fixnum can represent, nor can it be so long that C pointer | |
806 | arithmetic stops working on the string plus its terminating null. | |
807 | Although the actual size limit (see STRING_BYTES_MAX in alloc.c) | |
808 | may be a bit smaller than STRING_BYTES_BOUND, calculating it here | |
809 | would expose alloc.c internal details that we'd rather keep | |
810 | private. The cast to ptrdiff_t ensures that STRING_BYTES_BOUND is | |
811 | signed. */ | |
812 | #define STRING_BYTES_BOUND \ | |
813 | min (MOST_POSITIVE_FIXNUM, (ptrdiff_t) min (SIZE_MAX, PTRDIFF_MAX) - 1) | |
d1f3d2af | 814 | |
491c2516 | 815 | /* Mark STR as a unibyte string. */ |
2c668b9a JB |
816 | #define STRING_SET_UNIBYTE(STR) \ |
817 | do { if (EQ (STR, empty_multibyte_string)) \ | |
818 | (STR) = empty_unibyte_string; \ | |
819 | else XSTRING (STR)->size_byte = -1; } while (0) | |
491c2516 | 820 | |
94ef4d69 KH |
821 | /* Mark STR as a multibyte string. Assure that STR contains only |
822 | ASCII characters in advance. */ | |
823 | #define STRING_SET_MULTIBYTE(STR) \ | |
824 | do { if (EQ (STR, empty_unibyte_string)) \ | |
825 | (STR) = empty_multibyte_string; \ | |
826 | else XSTRING (STR)->size_byte = XSTRING (STR)->size; } while (0) | |
827 | ||
491c2516 | 828 | /* Get text properties. */ |
90b81429 KR |
829 | #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0) |
830 | ||
831 | /* Set text properties. */ | |
832 | #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT)) | |
d8fc7ce4 | 833 | |
3cfe6dfd JB |
834 | /* In a string or vector, the sign bit of the `size' is the gc mark bit */ |
835 | ||
836 | struct Lisp_String | |
837 | { | |
627a9502 | 838 | EMACS_INT size; |
a1b5012f | 839 | EMACS_INT size_byte; |
4618074a | 840 | INTERVAL intervals; /* text properties in this string */ |
f05d7ea2 | 841 | unsigned char *data; |
3cfe6dfd JB |
842 | }; |
843 | ||
aa0b0087 PE |
844 | /* Header of vector-like objects. This documents the layout constraints on |
845 | vectors and pseudovectors other than struct Lisp_Subr. It also prevents | |
846 | compilers from being fooled by Emacs's type punning: the XSETPSEUDOVECTOR | |
847 | and PSEUDOVECTORP macros cast their pointers to struct vectorlike_header *, | |
848 | because when two such pointers potentially alias, a compiler won't | |
849 | incorrectly reorder loads and stores to their size fields. See | |
850 | <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8546>. */ | |
b102ceb1 | 851 | struct vectorlike_header |
3cfe6dfd | 852 | { |
6089c567 | 853 | EMACS_INT size; |
aa0b0087 PE |
854 | |
855 | /* Pointer to the next vector-like object. It is generally a buffer or a | |
856 | Lisp_Vector alias, so for convenience it is a union instead of a | |
857 | pointer: this way, one can write P->next.vector instead of ((struct | |
858 | Lisp_Vector *) P->next). */ | |
eab3844f PE |
859 | union { |
860 | struct buffer *buffer; | |
861 | struct Lisp_Vector *vector; | |
862 | } next; | |
863 | }; | |
864 | ||
865 | struct Lisp_Vector | |
866 | { | |
b102ceb1 | 867 | struct vectorlike_header header; |
3cfe6dfd JB |
868 | Lisp_Object contents[1]; |
869 | }; | |
870 | ||
94225242 | 871 | /* If a struct is made to look like a vector, this macro returns the length |
4115d3f7 | 872 | of the shortest vector that would hold that struct. */ |
4bb7141c | 873 | #define VECSIZE(type) ((sizeof (type) \ |
89887d67 | 874 | - offsetof (struct Lisp_Vector, contents[0]) \ |
4bb7141c | 875 | + sizeof(Lisp_Object) - 1) /* round up */ \ |
94225242 KH |
876 | / sizeof (Lisp_Object)) |
877 | ||
d0ebe33a SM |
878 | /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields |
879 | at the end and we need to compute the number of Lisp_Object fields (the | |
880 | ones that the GC needs to trace). */ | |
881 | #define PSEUDOVECSIZE(type, nonlispfield) \ | |
89887d67 | 882 | ((offsetof(type, nonlispfield) - offsetof(struct Lisp_Vector, contents[0])) \ |
d0ebe33a SM |
883 | / sizeof (Lisp_Object)) |
884 | ||
1842abb2 | 885 | /* A char-table is a kind of vectorlike, with contents are like a |
ea724a01 | 886 | vector but with a few other slots. For some purposes, it makes |
1842abb2 | 887 | sense to handle a char-table with type struct Lisp_Vector. An |
ea724a01 KH |
888 | element of a char table can be any Lisp objects, but if it is a sub |
889 | char-table, we treat it a table that contains information of a | |
1842abb2 KH |
890 | specific range of characters. A sub char-table has the same |
891 | structure as a vector. A sub char table appears only in an element | |
892 | of a char-table, and there's no way to access it directly from | |
893 | Emacs Lisp program. */ | |
608ff985 | 894 | |
ea724a01 KH |
895 | /* This is the number of slots that every char table must have. This |
896 | counts the ordinary slots and the top, defalt, parent, and purpose | |
897 | slots. */ | |
1842abb2 | 898 | #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1) |
608ff985 RS |
899 | |
900 | /* Return the number of "extra" slots in the char table CT. */ | |
901 | ||
902 | #define CHAR_TABLE_EXTRA_SLOTS(CT) \ | |
eab3844f | 903 | (((CT)->header.size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS) |
608ff985 | 904 | |
d9da2f45 KH |
905 | #ifdef __GNUC__ |
906 | ||
907 | #define CHAR_TABLE_REF_ASCII(CT, IDX) \ | |
908 | ({struct Lisp_Char_Table *_tbl = NULL; \ | |
909 | Lisp_Object _val; \ | |
910 | do { \ | |
911 | _tbl = _tbl ? XCHAR_TABLE (_tbl->parent) : XCHAR_TABLE (CT); \ | |
912 | _val = (! SUB_CHAR_TABLE_P (_tbl->ascii) ? _tbl->ascii \ | |
913 | : XSUB_CHAR_TABLE (_tbl->ascii)->contents[IDX]); \ | |
914 | if (NILP (_val)) \ | |
915 | _val = _tbl->defalt; \ | |
916 | } while (NILP (_val) && ! NILP (_tbl->parent)); \ | |
917 | _val; }) | |
c5c21b70 | 918 | |
d9da2f45 KH |
919 | #else /* not __GNUC__ */ |
920 | ||
921 | #define CHAR_TABLE_REF_ASCII(CT, IDX) \ | |
922 | (! NILP (XCHAR_TABLE (CT)->ascii) \ | |
923 | ? (! SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \ | |
924 | ? XCHAR_TABLE (CT)->ascii \ | |
925 | : ! NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX]) \ | |
926 | ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \ | |
927 | : char_table_ref ((CT), (IDX))) \ | |
928 | : char_table_ref ((CT), (IDX))) | |
929 | ||
930 | #endif /* not __GNUC__ */ | |
931 | ||
ea204efb PE |
932 | /* Compute A OP B, using the unsigned comparison operator OP. A and B |
933 | should be integer expressions. This is not the same as | |
934 | mathemeatical comparison; for example, UNSIGNED_CMP (0, <, -1) | |
935 | returns 1. For efficiency, prefer plain unsigned comparison if A | |
936 | and B's sizes both fit (after integer promotion). */ | |
937 | #define UNSIGNED_CMP(a, op, b) \ | |
938 | (max (sizeof ((a) + 0), sizeof ((b) + 0)) <= sizeof (unsigned) \ | |
939 | ? ((a) + (unsigned) 0) op ((b) + (unsigned) 0) \ | |
940 | : ((a) + (uintmax_t) 0) op ((b) + (uintmax_t) 0)) | |
941 | ||
15206ed9 | 942 | /* Nonzero iff C is an ASCII character. */ |
ea204efb | 943 | #define ASCII_CHAR_P(c) UNSIGNED_CMP (c, <, 0x80) |
15206ed9 | 944 | |
b96656ce | 945 | /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII |
1842abb2 | 946 | characters. Do not check validity of CT. */ |
d9da2f45 KH |
947 | #define CHAR_TABLE_REF(CT, IDX) \ |
948 | (ASCII_CHAR_P (IDX) ? CHAR_TABLE_REF_ASCII ((CT), (IDX)) \ | |
1842abb2 | 949 | : char_table_ref ((CT), (IDX))) |
b96656ce | 950 | |
dcafe1c7 KH |
951 | /* Almost equivalent to Faref (CT, IDX). However, if the result is |
952 | not a character, return IDX. | |
29b7163f RS |
953 | |
954 | For these characters, do not check validity of CT | |
955 | and do not follow parent. */ | |
1842abb2 KH |
956 | #define CHAR_TABLE_TRANSLATE(CT, IDX) \ |
957 | char_table_translate (CT, IDX) | |
29b7163f | 958 | |
b96656ce | 959 | /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and |
c497dce4 | 960 | 8-bit European characters. Do not check validity of CT. */ |
1842abb2 | 961 | #define CHAR_TABLE_SET(CT, IDX, VAL) \ |
193e32d9 | 962 | (ASCII_CHAR_P (IDX) && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \ |
1842abb2 KH |
963 | ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \ |
964 | : char_table_set (CT, IDX, VAL)) | |
965 | ||
1842abb2 KH |
966 | #define CHARTAB_SIZE_BITS_0 6 |
967 | #define CHARTAB_SIZE_BITS_1 4 | |
968 | #define CHARTAB_SIZE_BITS_2 5 | |
969 | #define CHARTAB_SIZE_BITS_3 7 | |
970 | ||
971 | extern const int chartab_size[4]; | |
972 | ||
973 | struct Lisp_Sub_Char_Table; | |
b96656ce | 974 | |
608ff985 RS |
975 | struct Lisp_Char_Table |
976 | { | |
eab3844f | 977 | /* HEADER.SIZE is the vector's size field, which also holds the |
608ff985 | 978 | pseudovector type information. It holds the size, too. |
c73bd236 MB |
979 | The size counts the defalt, parent, purpose, ascii, |
980 | contents, and extras slots. */ | |
b102ceb1 | 981 | struct vectorlike_header header; |
1842abb2 | 982 | |
608ff985 RS |
983 | /* This holds a default value, |
984 | which is used whenever the value for a specific character is nil. */ | |
985 | Lisp_Object defalt; | |
ea724a01 | 986 | |
8f924df7 KH |
987 | /* This points to another char table, which we inherit from when the |
988 | value for a specific character is nil. The `defalt' slot takes | |
989 | precedence over this. */ | |
608ff985 | 990 | Lisp_Object parent; |
1842abb2 | 991 | |
8f924df7 KH |
992 | /* This is a symbol which says what kind of use this char-table is |
993 | meant for. */ | |
7f73dc9d | 994 | Lisp_Object purpose; |
1842abb2 | 995 | |
8f924df7 KH |
996 | /* The bottom sub char-table for characters of the range 0..127. It |
997 | is nil if none of ASCII character has a specific value. */ | |
998 | Lisp_Object ascii; | |
1842abb2 | 999 | |
8f924df7 | 1000 | Lisp_Object contents[(1 << CHARTAB_SIZE_BITS_0)]; |
1842abb2 | 1001 | |
8f924df7 | 1002 | /* These hold additional data. It is a vector. */ |
608ff985 RS |
1003 | Lisp_Object extras[1]; |
1004 | }; | |
1005 | ||
1842abb2 | 1006 | struct Lisp_Sub_Char_Table |
8f924df7 | 1007 | { |
eab3844f | 1008 | /* HEADER.SIZE is the vector's size field, which also holds the |
8f924df7 | 1009 | pseudovector type information. It holds the size, too. */ |
b102ceb1 | 1010 | struct vectorlike_header header; |
1842abb2 | 1011 | |
8f924df7 | 1012 | /* Depth of this sub char-table. It should be 1, 2, or 3. A sub |
78edd3b7 | 1013 | char-table of depth 1 contains 16 elements, and each element |
8f924df7 KH |
1014 | covers 4096 (128*32) characters. A sub char-table of depth 2 |
1015 | contains 32 elements, and each element covers 128 characters. A | |
1016 | sub char-table of depth 3 contains 128 elements, and each element | |
1017 | is for one character. */ | |
1018 | Lisp_Object depth; | |
1842abb2 | 1019 | |
8f924df7 KH |
1020 | /* Minimum character covered by the sub char-table. */ |
1021 | Lisp_Object min_char; | |
1842abb2 | 1022 | |
8f924df7 KH |
1023 | Lisp_Object contents[1]; |
1024 | }; | |
608ff985 RS |
1025 | |
1026 | /* A boolvector is a kind of vectorlike, with contents are like a string. */ | |
1027 | struct Lisp_Bool_Vector | |
1028 | { | |
eab3844f | 1029 | /* HEADER.SIZE is the vector's size field. It doesn't have the real size, |
608ff985 | 1030 | just the subtype information. */ |
b102ceb1 | 1031 | struct vectorlike_header header; |
608ff985 | 1032 | /* This is the size in bits. */ |
b61cc01c | 1033 | EMACS_INT size; |
608ff985 RS |
1034 | /* This contains the actual bits, packed into bytes. */ |
1035 | unsigned char data[1]; | |
1036 | }; | |
1037 | ||
7c06ac2b RS |
1038 | /* This structure describes a built-in function. |
1039 | It is generated by the DEFUN macro only. | |
1040 | defsubr makes it into a Lisp object. | |
1041 | ||
1042 | This type is treated in most respects as a pseudovector, | |
1043 | but since we never dynamically allocate or free them, | |
b102ceb1 | 1044 | we don't need a struct vectorlike_header and its 'next' field. */ |
e98227af | 1045 | |
3cfe6dfd JB |
1046 | struct Lisp_Subr |
1047 | { | |
6089c567 | 1048 | EMACS_INT size; |
c0f2f16b DN |
1049 | union { |
1050 | Lisp_Object (*a0) (void); | |
1051 | Lisp_Object (*a1) (Lisp_Object); | |
1052 | Lisp_Object (*a2) (Lisp_Object, Lisp_Object); | |
1053 | Lisp_Object (*a3) (Lisp_Object, Lisp_Object, Lisp_Object); | |
1054 | Lisp_Object (*a4) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
1055 | Lisp_Object (*a5) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
1056 | Lisp_Object (*a6) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
1057 | Lisp_Object (*a7) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
1058 | Lisp_Object (*a8) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
d5273788 | 1059 | Lisp_Object (*aUNEVALLED) (Lisp_Object args); |
f66c7cf8 | 1060 | Lisp_Object (*aMANY) (ptrdiff_t, Lisp_Object *); |
c0f2f16b | 1061 | } function; |
3cfe6dfd | 1062 | short min_args, max_args; |
5e2327cf | 1063 | const char *symbol_name; |
89dc303e DN |
1064 | const char *intspec; |
1065 | const char *doc; | |
3cfe6dfd | 1066 | }; |
5010d3b8 GM |
1067 | |
1068 | \f | |
a32fa736 GM |
1069 | /*********************************************************************** |
1070 | Symbols | |
1071 | ***********************************************************************/ | |
1072 | ||
1073 | /* Interned state of a symbol. */ | |
1074 | ||
1075 | enum symbol_interned | |
1076 | { | |
1077 | SYMBOL_UNINTERNED = 0, | |
1078 | SYMBOL_INTERNED = 1, | |
1079 | SYMBOL_INTERNED_IN_INITIAL_OBARRAY = 2 | |
1080 | }; | |
1081 | ||
ce5b453a SM |
1082 | enum symbol_redirect |
1083 | { | |
1084 | SYMBOL_PLAINVAL = 4, | |
1085 | SYMBOL_VARALIAS = 1, | |
1086 | SYMBOL_LOCALIZED = 2, | |
1087 | SYMBOL_FORWARDED = 3 | |
1088 | }; | |
1089 | ||
a32fa736 GM |
1090 | /* In a symbol, the markbit of the plist is used as the gc mark bit */ |
1091 | ||
1092 | struct Lisp_Symbol | |
1093 | { | |
a84f89d5 SM |
1094 | unsigned gcmarkbit : 1; |
1095 | ||
ce5b453a SM |
1096 | /* Indicates where the value can be found: |
1097 | 0 : it's a plain var, the value is in the `value' field. | |
1098 | 1 : it's a varalias, the value is really in the `alias' symbol. | |
1099 | 2 : it's a localized var, the value is in the `blv' object. | |
1100 | 3 : it's a forwarding variable, the value is in `forward'. | |
1101 | */ | |
1102 | enum symbol_redirect redirect : 3; | |
a32fa736 GM |
1103 | |
1104 | /* Non-zero means symbol is constant, i.e. changing its value | |
ce5b453a SM |
1105 | should signal an error. If the value is 3, then the var |
1106 | can be changed, but only by `defconst'. */ | |
1107 | unsigned constant : 2; | |
a32fa736 GM |
1108 | |
1109 | /* Interned state of the symbol. This is an enumerator from | |
1110 | enum symbol_interned. */ | |
1111 | unsigned interned : 2; | |
1e973bc7 | 1112 | |
b9598260 SM |
1113 | /* Non-zero means that this variable has been explicitly declared |
1114 | special (with `defvar' etc), and shouldn't be lexically bound. */ | |
1115 | unsigned declared_special : 1; | |
a32fa736 | 1116 | |
74d70085 KR |
1117 | /* The symbol's name, as a Lisp string. |
1118 | ||
1119 | The name "xname" is used to intentionally break code referring to | |
1120 | the old field "name" of type pointer to struct Lisp_String. */ | |
1121 | Lisp_Object xname; | |
a32fa736 GM |
1122 | |
1123 | /* Value of the symbol or Qunbound if unbound. If this symbol is a | |
ce5b453a | 1124 | defvaralias, `alias' contains the symbol for which it is an |
a32fa736 GM |
1125 | alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get |
1126 | and set a symbol's value, to take defvaralias into account. */ | |
ce5b453a SM |
1127 | union { |
1128 | Lisp_Object value; | |
1129 | struct Lisp_Symbol *alias; | |
1130 | struct Lisp_Buffer_Local_Value *blv; | |
1131 | union Lisp_Fwd *fwd; | |
1132 | } val; | |
a32fa736 | 1133 | |
d28981c9 | 1134 | /* Function value of the symbol or Qunbound if not fboundp. */ |
a32fa736 GM |
1135 | Lisp_Object function; |
1136 | ||
1137 | /* The symbol's property list. */ | |
1138 | Lisp_Object plist; | |
e2c0561e | 1139 | |
a32fa736 GM |
1140 | /* Next symbol in obarray bucket, if the symbol is interned. */ |
1141 | struct Lisp_Symbol *next; | |
1142 | }; | |
1143 | ||
74d70085 KR |
1144 | /* Value is name of symbol. */ |
1145 | ||
ce5b453a SM |
1146 | #define SYMBOL_VAL(sym) \ |
1147 | (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value) | |
1148 | #define SYMBOL_ALIAS(sym) \ | |
1149 | (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias) | |
1150 | #define SYMBOL_BLV(sym) \ | |
1151 | (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv) | |
1152 | #define SYMBOL_FWD(sym) \ | |
1153 | (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd) | |
1154 | #define SET_SYMBOL_VAL(sym, v) \ | |
1155 | (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value = (v)) | |
1156 | #define SET_SYMBOL_ALIAS(sym, v) \ | |
1157 | (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias = (v)) | |
1158 | #define SET_SYMBOL_BLV(sym, v) \ | |
1159 | (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv = (v)) | |
1160 | #define SET_SYMBOL_FWD(sym, v) \ | |
1161 | (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd = (v)) | |
1162 | ||
74d70085 KR |
1163 | #define SYMBOL_NAME(sym) \ |
1164 | LISP_MAKE_RVALUE (XSYMBOL (sym)->xname) | |
1165 | ||
a32fa736 GM |
1166 | /* Value is non-zero if SYM is an interned symbol. */ |
1167 | ||
1168 | #define SYMBOL_INTERNED_P(sym) \ | |
1169 | (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED) | |
1170 | ||
1171 | /* Value is non-zero if SYM is interned in initial_obarray. */ | |
1172 | ||
1173 | #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \ | |
1174 | (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY) | |
1175 | ||
1176 | /* Value is non-zero if symbol is considered a constant, i.e. its | |
1177 | value cannot be changed (there is an exception for keyword symbols, | |
1178 | whose value can be set to the keyword symbol itself). */ | |
1179 | ||
1180 | #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant | |
1181 | ||
cd3520a4 JB |
1182 | #define DEFSYM(sym, name) \ |
1183 | do { (sym) = intern_c_string ((name)); staticpro (&(sym)); } while (0) | |
1184 | ||
a32fa736 | 1185 | \f |
5010d3b8 GM |
1186 | /*********************************************************************** |
1187 | Hash Tables | |
1188 | ***********************************************************************/ | |
1189 | ||
1190 | /* The structure of a Lisp hash table. */ | |
1191 | ||
1192 | struct Lisp_Hash_Table | |
1193 | { | |
eab3844f | 1194 | /* This is for Lisp; the hash table code does not refer to it. */ |
b102ceb1 | 1195 | struct vectorlike_header header; |
e2c0561e | 1196 | |
5010d3b8 GM |
1197 | /* Function used to compare keys. */ |
1198 | Lisp_Object test; | |
1199 | ||
1200 | /* Nil if table is non-weak. Otherwise a symbol describing the | |
1201 | weakness of the table. */ | |
1202 | Lisp_Object weak; | |
e2c0561e | 1203 | |
5010d3b8 GM |
1204 | /* When the table is resized, and this is an integer, compute the |
1205 | new size by adding this to the old size. If a float, compute the | |
1206 | new size by multiplying the old size with this factor. */ | |
1207 | Lisp_Object rehash_size; | |
1208 | ||
1209 | /* Resize hash table when number of entries/ table size is >= this | |
1210 | ratio, a float. */ | |
1211 | Lisp_Object rehash_threshold; | |
1212 | ||
5010d3b8 GM |
1213 | /* Vector of hash codes.. If hash[I] is nil, this means that that |
1214 | entry I is unused. */ | |
1215 | Lisp_Object hash; | |
1216 | ||
1217 | /* Vector used to chain entries. If entry I is free, next[I] is the | |
1218 | entry number of the next free item. If entry I is non-free, | |
1219 | next[I] is the index of the next entry in the collision chain. */ | |
1220 | Lisp_Object next; | |
1221 | ||
1222 | /* Index of first free entry in free list. */ | |
1223 | Lisp_Object next_free; | |
1224 | ||
1225 | /* Bucket vector. A non-nil entry is the index of the first item in | |
1226 | a collision chain. This vector's size can be larger than the | |
1227 | hash table size to reduce collisions. */ | |
1228 | Lisp_Object index; | |
1229 | ||
5010d3b8 GM |
1230 | /* User-supplied hash function, or nil. */ |
1231 | Lisp_Object user_hash_function; | |
1232 | ||
1233 | /* User-supplied key comparison function, or nil. */ | |
1234 | Lisp_Object user_cmp_function; | |
1235 | ||
878f97ff | 1236 | /* Only the fields above are traced normally by the GC. The ones below |
78edd3b7 | 1237 | `count' are special and are either ignored by the GC or traced in |
878f97ff SM |
1238 | a special way (e.g. because of weakness). */ |
1239 | ||
1240 | /* Number of key/value entries in the table. */ | |
0de4bb68 | 1241 | EMACS_INT count; |
878f97ff SM |
1242 | |
1243 | /* Vector of keys and values. The key of item I is found at index | |
1244 | 2 * I, the value is found at index 2 * I + 1. | |
1245 | This is gc_marked specially if the table is weak. */ | |
1246 | Lisp_Object key_and_value; | |
1247 | ||
6c661ec9 SM |
1248 | /* Next weak hash table if this is a weak hash table. The head |
1249 | of the list is in weak_hash_tables. */ | |
1250 | struct Lisp_Hash_Table *next_weak; | |
1251 | ||
5010d3b8 | 1252 | /* C function to compare two keys. */ |
0de4bb68 PE |
1253 | int (*cmpfn) (struct Lisp_Hash_Table *, |
1254 | Lisp_Object, EMACS_UINT, | |
1255 | Lisp_Object, EMACS_UINT); | |
5010d3b8 GM |
1256 | |
1257 | /* C function to compute hash code. */ | |
0de4bb68 | 1258 | EMACS_UINT (*hashfn) (struct Lisp_Hash_Table *, Lisp_Object); |
5010d3b8 GM |
1259 | }; |
1260 | ||
1261 | ||
1262 | #define XHASH_TABLE(OBJ) \ | |
1263 | ((struct Lisp_Hash_Table *) XPNTR (OBJ)) | |
1264 | ||
1265 | #define XSET_HASH_TABLE(VAR, PTR) \ | |
1266 | (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE)) | |
1267 | ||
1268 | #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE) | |
5010d3b8 | 1269 | |
c8a39089 KS |
1270 | #define CHECK_HASH_TABLE(x) \ |
1271 | CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x) | |
5010d3b8 | 1272 | |
141788b5 SM |
1273 | /* Value is the key part of entry IDX in hash table H. */ |
1274 | ||
915b2a6a | 1275 | #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX)) |
141788b5 SM |
1276 | |
1277 | /* Value is the value part of entry IDX in hash table H. */ | |
1278 | ||
915b2a6a | 1279 | #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1) |
141788b5 SM |
1280 | |
1281 | /* Value is the index of the next entry following the one at IDX | |
1282 | in hash table H. */ | |
1283 | ||
915b2a6a | 1284 | #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX)) |
141788b5 SM |
1285 | |
1286 | /* Value is the hash code computed for entry IDX in hash table H. */ | |
1287 | ||
915b2a6a | 1288 | #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX)) |
141788b5 SM |
1289 | |
1290 | /* Value is the index of the element in hash table H that is the | |
1291 | start of the collision list at index IDX in the index vector of H. */ | |
1292 | ||
915b2a6a | 1293 | #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX)) |
141788b5 SM |
1294 | |
1295 | /* Value is the size of hash table H. */ | |
1296 | ||
77b37c05 | 1297 | #define HASH_TABLE_SIZE(H) ASIZE ((H)->next) |
141788b5 | 1298 | |
5010d3b8 GM |
1299 | /* Default size for hash tables if not specified. */ |
1300 | ||
1301 | #define DEFAULT_HASH_SIZE 65 | |
1302 | ||
1303 | /* Default threshold specifying when to resize a hash table. The | |
1304 | value gives the ratio of current entries in the hash table and the | |
1305 | size of the hash table. */ | |
1306 | ||
1307 | #define DEFAULT_REHASH_THRESHOLD 0.8 | |
1308 | ||
1309 | /* Default factor by which to increase the size of a hash table. */ | |
1310 | ||
1311 | #define DEFAULT_REHASH_SIZE 1.5 | |
1312 | ||
ee4c9ce4 | 1313 | \f |
7c06ac2b RS |
1314 | /* These structures are used for various misc types. */ |
1315 | ||
67ee9f6e SM |
1316 | struct Lisp_Misc_Any /* Supertype of all Misc types. */ |
1317 | { | |
ce5b453a | 1318 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_??? */ |
67ee9f6e SM |
1319 | unsigned gcmarkbit : 1; |
1320 | int spacer : 15; | |
ce5b453a SM |
1321 | /* Make it as long as "Lisp_Free without padding". */ |
1322 | void *fill; | |
67ee9f6e SM |
1323 | }; |
1324 | ||
3cfe6dfd | 1325 | struct Lisp_Marker |
308e97d0 | 1326 | { |
eac1939a | 1327 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Marker */ |
a84f89d5 | 1328 | unsigned gcmarkbit : 1; |
9bb13d08 KH |
1329 | int spacer : 13; |
1330 | /* This flag is temporarily used in the functions | |
1331 | decode/encode_coding_object to record that the marker position | |
1332 | must be adjusted after the conversion. */ | |
1333 | unsigned int need_adjustment : 1; | |
308e97d0 RS |
1334 | /* 1 means normal insertion at the marker's position |
1335 | leaves the marker after the inserted text. */ | |
1336 | unsigned int insertion_type : 1; | |
b9466edb SM |
1337 | /* This is the buffer that the marker points into, or 0 if it points nowhere. |
1338 | Note: a chain of markers can contain markers pointing into different | |
1339 | buffers (the chain is per buffer_text rather than per buffer, so it's | |
1340 | shared between indirect buffers). */ | |
1341 | /* This is used for (other than NULL-checking): | |
1342 | - Fmarker_buffer | |
1343 | - Fset_marker: check eq(oldbuf, newbuf) to avoid unchain+rechain. | |
1344 | - unchain_marker: to find the list from which to unchain. | |
ce5b453a | 1345 | - Fkill_buffer: to only unchain the markers of current indirect buffer. |
b9466edb | 1346 | */ |
308e97d0 | 1347 | struct buffer *buffer; |
4ed24bf3 RS |
1348 | |
1349 | /* The remaining fields are meaningless in a marker that | |
1350 | does not point anywhere. */ | |
1351 | ||
1352 | /* For markers that point somewhere, | |
1353 | this is used to chain of all the markers in a given buffer. */ | |
d6aa1876 SM |
1354 | /* We could remove it and use an array in buffer_text instead. |
1355 | That would also allow to preserve it ordered. */ | |
c0ac2f4a | 1356 | struct Lisp_Marker *next; |
4ed24bf3 | 1357 | /* This is the char position where the marker points. */ |
5f6bf5fe | 1358 | EMACS_INT charpos; |
ce5b453a SM |
1359 | /* This is the byte position. |
1360 | It's mostly used as a charpos<->bytepos cache (i.e. it's not directly | |
1361 | used to implement the functionality of markers, but rather to (ab)use | |
1362 | markers as a cache for char<->byte mappings). */ | |
5f6bf5fe | 1363 | EMACS_INT bytepos; |
308e97d0 | 1364 | }; |
3cfe6dfd | 1365 | |
ee4c9ce4 KH |
1366 | /* Forwarding pointer to an int variable. |
1367 | This is allowed only in the value cell of a symbol, | |
1368 | and it means that the symbol's value really lives in the | |
1369 | specified int variable. */ | |
1370 | struct Lisp_Intfwd | |
84d1833e | 1371 | { |
ce5b453a | 1372 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Int */ |
31ade731 | 1373 | EMACS_INT *intvar; |
ee4c9ce4 KH |
1374 | }; |
1375 | ||
1376 | /* Boolean forwarding pointer to an int variable. | |
1377 | This is like Lisp_Intfwd except that the ostensible | |
1378 | "value" of the symbol is t if the int variable is nonzero, | |
1379 | nil if it is zero. */ | |
1380 | struct Lisp_Boolfwd | |
1381 | { | |
ce5b453a | 1382 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Bool */ |
ee4c9ce4 KH |
1383 | int *boolvar; |
1384 | }; | |
1385 | ||
1386 | /* Forwarding pointer to a Lisp_Object variable. | |
1387 | This is allowed only in the value cell of a symbol, | |
1388 | and it means that the symbol's value really lives in the | |
1389 | specified variable. */ | |
1390 | struct Lisp_Objfwd | |
1391 | { | |
ce5b453a | 1392 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Obj */ |
ee4c9ce4 KH |
1393 | Lisp_Object *objvar; |
1394 | }; | |
1395 | ||
1396 | /* Like Lisp_Objfwd except that value lives in a slot in the | |
1397 | current buffer. Value is byte index of slot within buffer. */ | |
1398 | struct Lisp_Buffer_Objfwd | |
1399 | { | |
ce5b453a | 1400 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Buffer_Obj */ |
ee4c9ce4 | 1401 | int offset; |
ce5b453a | 1402 | Lisp_Object slottype; /* Qnil, Lisp_Int, Lisp_Symbol, or Lisp_String. */ |
84d1833e KH |
1403 | }; |
1404 | ||
65d0110b RS |
1405 | /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when |
1406 | the symbol has buffer-local or frame-local bindings. (Exception: | |
1407 | some buffer-local variables are built-in, with their values stored | |
1408 | in the buffer structure itself. They are handled differently, | |
1409 | using struct Lisp_Buffer_Objfwd.) | |
1410 | ||
1411 | The `realvalue' slot holds the variable's current value, or a | |
1412 | forwarding pointer to where that value is kept. This value is the | |
1413 | one that corresponds to the loaded binding. To read or set the | |
1414 | variable, you must first make sure the right binding is loaded; | |
1415 | then you can access the value in (or through) `realvalue'. | |
e2c0561e | 1416 | |
65d0110b RS |
1417 | `buffer' and `frame' are the buffer and frame for which the loaded |
1418 | binding was found. If those have changed, to make sure the right | |
1419 | binding is loaded it is necessary to find which binding goes with | |
1420 | the current buffer and selected frame, then load it. To load it, | |
1421 | first unload the previous binding, then copy the value of the new | |
1422 | binding into `realvalue' (or through it). Also update | |
1423 | LOADED-BINDING to point to the newly loaded binding. | |
7d65f1c2 | 1424 | |
78edd3b7 JB |
1425 | `local_if_set' indicates that merely setting the variable creates a |
1426 | local binding for the current buffer. Otherwise the latter, setting | |
1427 | the variable does not do that; only make-local-variable does that. */ | |
65d0110b | 1428 | |
7d65f1c2 KH |
1429 | struct Lisp_Buffer_Local_Value |
1430 | { | |
67ee9f6e SM |
1431 | /* 1 means that merely setting the variable creates a local |
1432 | binding for the current buffer */ | |
1433 | unsigned int local_if_set : 1; | |
ce5b453a SM |
1434 | /* 1 means this variable can have frame-local bindings, otherwise, it is |
1435 | can have buffer-local bindings. The two cannot be combined. */ | |
1436 | unsigned int frame_local : 1; | |
1437 | /* 1 means that the binding now loaded was found. | |
1438 | Presumably equivalent to (defcell!=valcell) */ | |
1439 | unsigned int found : 1; | |
1440 | /* If non-NULL, a forwarding to the C var where it should also be set. */ | |
1441 | union Lisp_Fwd *fwd; /* Should never be (Buffer|Kboard)_Objfwd. */ | |
1442 | /* The buffer or frame for which the loaded binding was found. */ | |
1443 | Lisp_Object where; | |
1444 | /* A cons cell that holds the default value. It has the form | |
1445 | (SYMBOL . DEFAULT-VALUE). */ | |
1446 | Lisp_Object defcell; | |
1447 | /* The cons cell from `where's parameter alist. | |
1448 | It always has the form (SYMBOL . VALUE) | |
1449 | Note that if `forward' is non-nil, VALUE may be out of date. | |
1450 | Also if the currently loaded binding is the default binding, then | |
1451 | this is `eq'ual to defcell. */ | |
1452 | Lisp_Object valcell; | |
7d65f1c2 KH |
1453 | }; |
1454 | ||
ce5b453a SM |
1455 | #define BLV_FOUND(blv) \ |
1456 | (eassert ((blv)->found == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found) | |
1457 | #define SET_BLV_FOUND(blv, v) \ | |
1458 | (eassert ((v) == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found = (v)) | |
1459 | ||
1460 | #define BLV_VALUE(blv) (XCDR ((blv)->valcell)) | |
1461 | #define SET_BLV_VALUE(blv, v) (XSETCDR ((blv)->valcell, v)) | |
1462 | ||
5f6bf5fe | 1463 | /* START and END are markers in the overlay's buffer, and |
ce7d8eec KH |
1464 | PLIST is the overlay's property list. */ |
1465 | struct Lisp_Overlay | |
ce5b453a SM |
1466 | /* An overlay's real data content is: |
1467 | - plist | |
1468 | - buffer | |
1469 | - insertion type of both ends | |
1470 | - start & start_byte | |
1471 | - end & end_byte | |
1472 | - next (singly linked list of overlays). | |
1473 | - start_next and end_next (singly linked list of markers). | |
1474 | I.e. 9words plus 2 bits, 3words of which are for external linked lists. | |
1475 | */ | |
ce7d8eec | 1476 | { |
eac1939a | 1477 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Overlay */ |
a84f89d5 SM |
1478 | unsigned gcmarkbit : 1; |
1479 | int spacer : 15; | |
b01ecbc6 | 1480 | struct Lisp_Overlay *next; |
ce7d8eec KH |
1481 | Lisp_Object start, end, plist; |
1482 | }; | |
5bfac5a9 | 1483 | |
f334de0e | 1484 | /* Like Lisp_Objfwd except that value lives in a slot in the |
32462604 KH |
1485 | current kboard. */ |
1486 | struct Lisp_Kboard_Objfwd | |
f334de0e | 1487 | { |
ce5b453a | 1488 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Kboard_Obj */ |
f334de0e KH |
1489 | int offset; |
1490 | }; | |
1491 | ||
222151aa RS |
1492 | /* Hold a C pointer for later use. |
1493 | This type of object is used in the arg to record_unwind_protect. */ | |
1494 | struct Lisp_Save_Value | |
1495 | { | |
eac1939a | 1496 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Save_Value */ |
a84f89d5 | 1497 | unsigned gcmarkbit : 1; |
5f5d6c62 KS |
1498 | int spacer : 14; |
1499 | /* If DOGC is set, POINTER is the address of a memory | |
1500 | area containing INTEGER potential Lisp_Objects. */ | |
1501 | unsigned int dogc : 1; | |
222151aa | 1502 | void *pointer; |
9c4c5f81 | 1503 | ptrdiff_t integer; |
222151aa RS |
1504 | }; |
1505 | ||
5bfac5a9 | 1506 | |
6b61353c KH |
1507 | /* A miscellaneous object, when it's on the free list. */ |
1508 | struct Lisp_Free | |
1509 | { | |
eac1939a | 1510 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Free */ |
6b61353c KH |
1511 | unsigned gcmarkbit : 1; |
1512 | int spacer : 15; | |
1513 | union Lisp_Misc *chain; | |
1514 | #ifdef USE_LSB_TAG | |
1515 | /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment. | |
1516 | This assumes that Lisp_Marker is the largest of the alternatives and | |
ce5b453a | 1517 | that Lisp_Misc_Any has the same size as "Lisp_Free w/o padding". */ |
6b61353c | 1518 | char padding[((((sizeof (struct Lisp_Marker) - 1) >> GCTYPEBITS) + 1) |
ce5b453a | 1519 | << GCTYPEBITS) - sizeof (struct Lisp_Misc_Any)]; |
6b61353c KH |
1520 | #endif |
1521 | }; | |
1522 | ||
a7aa28f6 RS |
1523 | /* To get the type field of a union Lisp_Misc, use XMISCTYPE. |
1524 | It uses one of these struct subtypes to get the type field. */ | |
1525 | ||
84d1833e KH |
1526 | union Lisp_Misc |
1527 | { | |
67ee9f6e SM |
1528 | struct Lisp_Misc_Any u_any; /* Supertype of all Misc types. */ |
1529 | struct Lisp_Free u_free; /* Includes padding to force alignment. */ | |
ce5b453a SM |
1530 | struct Lisp_Marker u_marker; /* 5 */ |
1531 | struct Lisp_Overlay u_overlay; /* 5 */ | |
1532 | struct Lisp_Save_Value u_save_value; /* 3 */ | |
1533 | }; | |
1534 | ||
1535 | union Lisp_Fwd | |
1536 | { | |
1537 | struct Lisp_Intfwd u_intfwd; /* 2 */ | |
1538 | struct Lisp_Boolfwd u_boolfwd; /* 2 */ | |
1539 | struct Lisp_Objfwd u_objfwd; /* 2 */ | |
1540 | struct Lisp_Buffer_Objfwd u_buffer_objfwd; /* 2 */ | |
1541 | struct Lisp_Kboard_Objfwd u_kboard_objfwd; /* 2 */ | |
84d1833e | 1542 | }; |
7c06ac2b | 1543 | \f |
cc94f3b2 | 1544 | /* Lisp floating point type */ |
3cfe6dfd JB |
1545 | struct Lisp_Float |
1546 | { | |
3a623fee AS |
1547 | union |
1548 | { | |
8f34f70a | 1549 | #ifdef HIDE_LISP_IMPLEMENTATION |
3a623fee | 1550 | double data_; |
8f34f70a | 1551 | #else |
3a623fee | 1552 | double data; |
8f34f70a | 1553 | #endif |
3a623fee AS |
1554 | struct Lisp_Float *chain; |
1555 | } u; | |
3cfe6dfd | 1556 | }; |
8f34f70a KR |
1557 | |
1558 | #ifdef HIDE_LISP_IMPLEMENTATION | |
52766425 | 1559 | #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data_ : XFLOAT (f)->u.data_) |
8f34f70a | 1560 | #else |
52766425 | 1561 | #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data : XFLOAT (f)->u.data) |
f601cdf3 KR |
1562 | /* This should be used only in alloc.c, which always disables |
1563 | HIDE_LISP_IMPLEMENTATION. */ | |
1564 | #define XFLOAT_INIT(f,n) (XFLOAT (f)->u.data = (n)) | |
8f34f70a | 1565 | #endif |
3cfe6dfd JB |
1566 | |
1567 | /* A character, declared with the following typedef, is a member | |
99a3d506 | 1568 | of some character set associated with the current buffer. */ |
b2ba7b00 RS |
1569 | #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */ |
1570 | #define _UCHAR_T | |
3cfe6dfd | 1571 | typedef unsigned char UCHAR; |
b2ba7b00 | 1572 | #endif |
3cfe6dfd JB |
1573 | |
1574 | /* Meanings of slots in a Lisp_Compiled: */ | |
1575 | ||
1576 | #define COMPILED_ARGLIST 0 | |
1577 | #define COMPILED_BYTECODE 1 | |
1578 | #define COMPILED_CONSTANTS 2 | |
1579 | #define COMPILED_STACK_DEPTH 3 | |
1580 | #define COMPILED_DOC_STRING 4 | |
1581 | #define COMPILED_INTERACTIVE 5 | |
88dbfee5 | 1582 | |
d03f79ef JB |
1583 | /* Flag bits in a character. These also get used in termhooks.h. |
1584 | Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE | |
7c06ac2b RS |
1585 | (MUlti-Lingual Emacs) might need 22 bits for the character value |
1586 | itself, so we probably shouldn't use any bits lower than 0x0400000. */ | |
1587 | #define CHAR_ALT (0x0400000) | |
1588 | #define CHAR_SUPER (0x0800000) | |
1589 | #define CHAR_HYPER (0x1000000) | |
1590 | #define CHAR_SHIFT (0x2000000) | |
1591 | #define CHAR_CTL (0x4000000) | |
1592 | #define CHAR_META (0x8000000) | |
703f2808 | 1593 | |
048151c1 KH |
1594 | #define CHAR_MODIFIER_MASK \ |
1595 | (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META) | |
1596 | ||
1597 | ||
1842abb2 | 1598 | /* Actually, the current Emacs uses 22 bits for the character value |
6b768554 | 1599 | itself. */ |
13ac3ac9 | 1600 | #define CHARACTERBITS 22 |
6b768554 | 1601 | |
b0ca4f56 KH |
1602 | /* The maximum byte size consumed by push_key_description. |
1603 | All callers should assure that at least this size of memory is | |
1604 | allocated at the place pointed by the second argument. | |
1605 | ||
944df511 | 1606 | There are 6 modifiers, each consumes 2 chars. |
b0ca4f56 KH |
1607 | The octal form of a character code consumes |
1608 | (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head). | |
1609 | We need one more byte for string terminator `\0'. */ | |
1610 | #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1) | |
1611 | ||
703f2808 | 1612 | \f |
ec9ed378 KS |
1613 | /* The glyph datatype, used to represent characters on the display. |
1614 | It consists of a char code and a face id. */ | |
1615 | ||
1616 | typedef struct { | |
1617 | int ch; | |
1618 | int face_id; | |
1619 | } GLYPH; | |
703f2808 JB |
1620 | |
1621 | /* Return a glyph's character code. */ | |
ec9ed378 | 1622 | #define GLYPH_CHAR(glyph) ((glyph).ch) |
703f2808 JB |
1623 | |
1624 | /* Return a glyph's face ID. */ | |
ec9ed378 | 1625 | #define GLYPH_FACE(glyph) ((glyph).face_id) |
49b0dd75 | 1626 | |
ec9ed378 KS |
1627 | #define SET_GLYPH_CHAR(glyph, char) ((glyph).ch = (char)) |
1628 | #define SET_GLYPH_FACE(glyph, face) ((glyph).face_id = (face)) | |
1629 | #define SET_GLYPH(glyph, char, face) ((glyph).ch = (char), (glyph).face_id = (face)) | |
703f2808 | 1630 | |
e0f24100 | 1631 | /* Return 1 if GLYPH contains valid character code. */ |
2638320e | 1632 | #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (GLYPH_CHAR (glyph)) |
ec9ed378 KS |
1633 | |
1634 | ||
1635 | /* Glyph Code from a display vector may either be an integer which | |
1636 | encodes a char code in the lower CHARACTERBITS bits and a (very small) | |
1637 | face-id in the upper bits, or it may be a cons (CHAR . FACE-ID). */ | |
1638 | ||
1639 | #define GLYPH_CODE_CHAR(gc) \ | |
1640 | (CONSP (gc) ? XINT (XCAR (gc)) : INTEGERP (gc) ? (XINT (gc) & ((1 << CHARACTERBITS)-1)) : 0) | |
1641 | ||
1642 | #define GLYPH_CODE_FACE(gc) \ | |
1643 | (CONSP (gc) ? XINT (XCDR (gc)) : INTEGERP (gc) ? (XINT (gc) >> CHARACTERBITS) : DEFAULT_FACE_ID) | |
1644 | ||
1645 | /* Return 1 if glyph code from display vector contains valid character code. */ | |
2638320e | 1646 | #define GLYPH_CODE_CHAR_VALID_P(gc) CHAR_VALID_P (GLYPH_CODE_CHAR (gc)) |
ec9ed378 KS |
1647 | |
1648 | #define GLYPH_CODE_P(gc) ((CONSP (gc) && INTEGERP (XCAR (gc)) && INTEGERP (XCDR (gc))) || INTEGERP (gc)) | |
1649 | ||
1650 | /* Only called when GLYPH_CODE_P (gc) is true. */ | |
1651 | #define SET_GLYPH_FROM_GLYPH_CODE(glyph, gc) \ | |
1652 | do \ | |
1653 | { \ | |
1654 | if (CONSP (gc)) \ | |
1655 | SET_GLYPH (glyph, XINT (XCAR (gc)), XINT (XCDR (gc))); \ | |
1656 | else \ | |
1657 | SET_GLYPH (glyph, (XINT (gc) & ((1 << CHARACTERBITS)-1)), \ | |
1658 | (XINT (gc) >> CHARACTERBITS)); \ | |
1659 | } \ | |
1660 | while (0) | |
b96656ce | 1661 | |
4606cc9d RS |
1662 | /* The ID of the mode line highlighting face. */ |
1663 | #define GLYPH_MODE_LINE_FACE 1 | |
3cfe6dfd | 1664 | \f |
7ea692f6 EZ |
1665 | /* Structure to hold mouse highlight data. This is here because other |
1666 | header files need it for defining struct x_output etc. */ | |
1667 | typedef struct { | |
1668 | /* These variables describe the range of text currently shown in its | |
1669 | mouse-face, together with the window they apply to. As long as | |
1670 | the mouse stays within this range, we need not redraw anything on | |
1671 | its account. Rows and columns are glyph matrix positions in | |
1672 | MOUSE_FACE_WINDOW. */ | |
1673 | int mouse_face_beg_row, mouse_face_beg_col; | |
1674 | int mouse_face_beg_x, mouse_face_beg_y; | |
1675 | int mouse_face_end_row, mouse_face_end_col; | |
1676 | int mouse_face_end_x, mouse_face_end_y; | |
1677 | int mouse_face_past_end; | |
1678 | Lisp_Object mouse_face_window; | |
1679 | int mouse_face_face_id; | |
1680 | Lisp_Object mouse_face_overlay; | |
1681 | ||
1682 | /* 1 if a mouse motion event came and we didn't handle it right away because | |
1683 | gc was in progress. */ | |
1684 | int mouse_face_deferred_gc; | |
1685 | ||
1686 | /* FRAME and X, Y position of mouse when last checked for | |
1687 | highlighting. X and Y can be negative or out of range for the frame. */ | |
1688 | struct frame *mouse_face_mouse_frame; | |
1689 | int mouse_face_mouse_x, mouse_face_mouse_y; | |
1690 | ||
1691 | /* Nonzero means defer mouse-motion highlighting. */ | |
1692 | int mouse_face_defer; | |
1693 | ||
1694 | /* Nonzero means that the mouse highlight should not be shown. */ | |
1695 | int mouse_face_hidden; | |
1696 | ||
1697 | int mouse_face_image_state; | |
1698 | } Mouse_HLInfo; | |
1699 | \f | |
3cfe6dfd JB |
1700 | /* Data type checking */ |
1701 | ||
3c7a4fa3 | 1702 | #define NILP(x) EQ (x, Qnil) |
3cfe6dfd | 1703 | |
c5af3bb9 | 1704 | #define NUMBERP(x) (INTEGERP (x) || FLOATP (x)) |
a4a9f09f | 1705 | #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0) |
4746118a | 1706 | |
ca9ce8f2 PE |
1707 | #define RANGED_INTEGERP(lo, x, hi) \ |
1708 | (INTEGERP (x) && (lo) <= XINT (x) && XINT (x) <= (hi)) | |
1709 | #define TYPE_RANGED_INTEGERP(type, x) \ | |
1710 | RANGED_INTEGERP (TYPE_MINIMUM (type), x, TYPE_MAXIMUM (type)) | |
1711 | ||
2de9f71c | 1712 | #define INTEGERP(x) (LISP_INT_TAG_P (XTYPE ((x)))) |
edfa9106 | 1713 | #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol) |
84d1833e | 1714 | #define MISCP(x) (XTYPE ((x)) == Lisp_Misc) |
b5088f80 | 1715 | #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike) |
edfa9106 | 1716 | #define STRINGP(x) (XTYPE ((x)) == Lisp_String) |
3cfe6dfd | 1717 | #define CONSP(x) (XTYPE ((x)) == Lisp_Cons) |
7c06ac2b | 1718 | |
edfa9106 | 1719 | #define FLOATP(x) (XTYPE ((x)) == Lisp_Float) |
77b37c05 | 1720 | #define VECTORP(x) (VECTORLIKEP (x) && !(ASIZE (x) & PSEUDOVECTOR_FLAG)) |
a7aa28f6 | 1721 | #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay) |
a7aa28f6 | 1722 | #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker) |
19fa82b9 | 1723 | #define SAVE_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Save_Value) |
edfa9106 | 1724 | |
ce5b453a SM |
1725 | #define INTFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Int) |
1726 | #define BOOLFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Bool) | |
1727 | #define OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Obj) | |
1728 | #define BUFFER_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Buffer_Obj) | |
1729 | #define KBOARD_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Kboard_Obj) | |
7c06ac2b | 1730 | |
aa0b0087 PE |
1731 | /* True if object X is a pseudovector whose code is CODE. The cast to struct |
1732 | vectorlike_header * avoids aliasing issues. */ | |
7c06ac2b | 1733 | #define PSEUDOVECTORP(x, code) \ |
b102ceb1 | 1734 | TYPED_PSEUDOVECTORP(x, vectorlike_header, code) |
eab3844f PE |
1735 | |
1736 | /* True if object X, with internal type struct T *, is a pseudovector whose | |
1737 | code is CODE. */ | |
1738 | #define TYPED_PSEUDOVECTORP(x, t, code) \ | |
7c06ac2b | 1739 | (VECTORLIKEP (x) \ |
eab3844f PE |
1740 | && (((((struct t *) XPNTR (x))->size \ |
1741 | & (PSEUDOVECTOR_FLAG | (code)))) \ | |
7c06ac2b RS |
1742 | == (PSEUDOVECTOR_FLAG | (code)))) |
1743 | ||
7c06ac2b RS |
1744 | /* Test for specific pseudovector types. */ |
1745 | #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION) | |
7c06ac2b | 1746 | #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS) |
7c06ac2b | 1747 | #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW) |
49e49fb5 | 1748 | #define TERMINALP(x) PSEUDOVECTORP (x, PVEC_TERMINAL) |
aa0b0087 | 1749 | /* SUBRP is special since Lisp_Subr lacks struct vectorlike_header. */ |
eab3844f | 1750 | #define SUBRP(x) TYPED_PSEUDOVECTORP (x, Lisp_Subr, PVEC_SUBR) |
7c06ac2b | 1751 | #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED) |
99a3d506 | 1752 | #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER) |
608ff985 | 1753 | #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE) |
1842abb2 | 1754 | #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE) |
608ff985 | 1755 | #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR) |
7c06ac2b | 1756 | #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME) |
ea724a01 | 1757 | |
6b61353c KH |
1758 | /* Test for image (image . spec) */ |
1759 | #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage)) | |
1760 | ||
c8a39089 KS |
1761 | /* Array types. */ |
1762 | ||
1763 | #define ARRAYP(x) \ | |
1764 | (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x)) | |
7c06ac2b | 1765 | \f |
874cc80e | 1766 | #define CHECK_LIST(x) \ |
c8a39089 KS |
1767 | CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x) |
1768 | ||
1769 | #define CHECK_LIST_CONS(x, y) \ | |
1770 | CHECK_TYPE (CONSP (x), Qlistp, y) | |
1771 | ||
1772 | #define CHECK_LIST_END(x, y) \ | |
1773 | CHECK_TYPE (NILP (x), Qlistp, y) | |
3cfe6dfd | 1774 | |
874cc80e | 1775 | #define CHECK_STRING(x) \ |
c8a39089 | 1776 | CHECK_TYPE (STRINGP (x), Qstringp, x) |
3cfe6dfd | 1777 | |
57ddb5d0 | 1778 | #define CHECK_STRING_CAR(x) \ |
c8a39089 | 1779 | CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x)) |
57ddb5d0 | 1780 | |
874cc80e | 1781 | #define CHECK_CONS(x) \ |
c8a39089 | 1782 | CHECK_TYPE (CONSP (x), Qconsp, x) |
3cfe6dfd | 1783 | |
874cc80e | 1784 | #define CHECK_SYMBOL(x) \ |
c8a39089 | 1785 | CHECK_TYPE (SYMBOLP (x), Qsymbolp, x) |
3cfe6dfd | 1786 | |
874cc80e | 1787 | #define CHECK_CHAR_TABLE(x) \ |
c8a39089 | 1788 | CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x) |
608ff985 | 1789 | |
874cc80e | 1790 | #define CHECK_VECTOR(x) \ |
c8a39089 | 1791 | CHECK_TYPE (VECTORP (x), Qvectorp, x) |
3cfe6dfd | 1792 | |
c8a39089 KS |
1793 | #define CHECK_VECTOR_OR_STRING(x) \ |
1794 | CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x) | |
1795 | ||
78edd3b7 | 1796 | #define CHECK_ARRAY(x, Qxxxp) \ |
c8a39089 KS |
1797 | CHECK_TYPE (ARRAYP (x), Qxxxp, x) |
1798 | ||
1799 | #define CHECK_VECTOR_OR_CHAR_TABLE(x) \ | |
1800 | CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x) | |
7f73dc9d | 1801 | |
874cc80e | 1802 | #define CHECK_BUFFER(x) \ |
c8a39089 | 1803 | CHECK_TYPE (BUFFERP (x), Qbufferp, x) |
3cfe6dfd | 1804 | |
874cc80e | 1805 | #define CHECK_WINDOW(x) \ |
c8a39089 KS |
1806 | CHECK_TYPE (WINDOWP (x), Qwindowp, x) |
1807 | ||
1808 | #define CHECK_WINDOW_CONFIGURATION(x) \ | |
1809 | CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x) | |
3cfe6dfd | 1810 | |
03273ec5 | 1811 | /* This macro rejects windows on the interior of the window tree as |
e98227af | 1812 | "dead", which is what we want; this is an argument-checking macro, and |
03273ec5 JB |
1813 | the user should never get access to interior windows. |
1814 | ||
e0f24100 | 1815 | A window of any sort, leaf or interior, is dead if the buffer, |
03273ec5 JB |
1816 | vchild, and hchild members are all nil. */ |
1817 | ||
c8a39089 KS |
1818 | #define CHECK_LIVE_WINDOW(x) \ |
1819 | CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x) | |
03273ec5 | 1820 | |
874cc80e | 1821 | #define CHECK_PROCESS(x) \ |
c8a39089 KS |
1822 | CHECK_TYPE (PROCESSP (x), Qprocessp, x) |
1823 | ||
1824 | #define CHECK_SUBR(x) \ | |
1825 | CHECK_TYPE (SUBRP (x), Qsubrp, x) | |
3cfe6dfd | 1826 | |
874cc80e | 1827 | #define CHECK_NUMBER(x) \ |
c8a39089 | 1828 | CHECK_TYPE (INTEGERP (x), Qintegerp, x) |
3cfe6dfd | 1829 | |
874cc80e | 1830 | #define CHECK_NATNUM(x) \ |
c8a39089 | 1831 | CHECK_TYPE (NATNUMP (x), Qwholenump, x) |
3cfe6dfd | 1832 | |
874cc80e | 1833 | #define CHECK_MARKER(x) \ |
c8a39089 | 1834 | CHECK_TYPE (MARKERP (x), Qmarkerp, x) |
3cfe6dfd | 1835 | |
874cc80e | 1836 | #define CHECK_NUMBER_COERCE_MARKER(x) \ |
221f4ef3 | 1837 | do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \ |
c8a39089 | 1838 | else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0) |
3cfe6dfd | 1839 | |
3cfe6dfd JB |
1840 | #define XFLOATINT(n) extract_float((n)) |
1841 | ||
78edd3b7 | 1842 | #define CHECK_FLOAT(x) \ |
c8a39089 | 1843 | CHECK_TYPE (FLOATP (x), Qfloatp, x) |
3cfe6dfd | 1844 | |
78edd3b7 | 1845 | #define CHECK_NUMBER_OR_FLOAT(x) \ |
c8a39089 | 1846 | CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x) |
3cfe6dfd | 1847 | |
874cc80e | 1848 | #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \ |
78edd3b7 | 1849 | do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \ |
c8a39089 | 1850 | else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0) |
3cfe6dfd | 1851 | |
874cc80e | 1852 | #define CHECK_OVERLAY(x) \ |
c8a39089 | 1853 | CHECK_TYPE (OVERLAYP (x), Qoverlayp, x) |
20280af7 | 1854 | |
f3fbd155 KR |
1855 | /* Since we can't assign directly to the CAR or CDR fields of a cons |
1856 | cell, use these when checking that those fields contain numbers. */ | |
874cc80e | 1857 | #define CHECK_NUMBER_CAR(x) \ |
f3fbd155 KR |
1858 | do { \ |
1859 | Lisp_Object tmp = XCAR (x); \ | |
874cc80e | 1860 | CHECK_NUMBER (tmp); \ |
f3fbd155 KR |
1861 | XSETCAR ((x), tmp); \ |
1862 | } while (0) | |
1863 | ||
874cc80e | 1864 | #define CHECK_NUMBER_CDR(x) \ |
f3fbd155 KR |
1865 | do { \ |
1866 | Lisp_Object tmp = XCDR (x); \ | |
874cc80e | 1867 | CHECK_NUMBER (tmp); \ |
f3fbd155 KR |
1868 | XSETCDR ((x), tmp); \ |
1869 | } while (0) | |
1870 | ||
8f924df7 KH |
1871 | #define CHECK_NATNUM_CAR(x) \ |
1872 | do { \ | |
1873 | Lisp_Object tmp = XCAR (x); \ | |
1874 | CHECK_NATNUM (tmp); \ | |
1875 | XSETCAR ((x), tmp); \ | |
1876 | } while (0) | |
1877 | ||
1878 | #define CHECK_NATNUM_CDR(x) \ | |
1879 | do { \ | |
1880 | Lisp_Object tmp = XCDR (x); \ | |
1881 | CHECK_NATNUM (tmp); \ | |
1882 | XSETCDR ((x), tmp); \ | |
1883 | } while (0) | |
1884 | ||
8ac068ac | 1885 | /* Cast pointers to this type to compare them. */ |
d01a7826 | 1886 | #define PNTR_COMPARISON_TYPE uintptr_t |
3cfe6dfd JB |
1887 | \f |
1888 | /* Define a built-in function for calling from Lisp. | |
1889 | `lname' should be the name to give the function in Lisp, | |
1890 | as a null-terminated C string. | |
1891 | `fnname' should be the name of the function in C. | |
1892 | By convention, it starts with F. | |
1893 | `sname' should be the name for the C constant structure | |
1894 | that records information on this function for internal use. | |
1895 | By convention, it should be the same as `fnname' but with S instead of F. | |
1896 | It's too bad that C macros can't compute this from `fnname'. | |
1897 | `minargs' should be a number, the minimum number of arguments allowed. | |
1898 | `maxargs' should be a number, the maximum number of arguments allowed, | |
1899 | or else MANY or UNEVALLED. | |
1900 | MANY means pass a vector of evaluated arguments, | |
1901 | in the form of an integer number-of-arguments | |
1902 | followed by the address of a vector of Lisp_Objects | |
1903 | which contains the argument values. | |
1904 | UNEVALLED means pass the list of unevaluated arguments | |
4bca9161 MC |
1905 | `intspec' says how interactive arguments are to be fetched. |
1906 | If the string starts with a `(', `intspec' is evaluated and the resulting | |
1907 | list is the list of arguments. | |
1908 | If it's a string that doesn't start with `(', the value should follow | |
1909 | the one of the doc string for `interactive'. | |
3cfe6dfd | 1910 | A null string means call interactively with no arguments. |
eab9d423 | 1911 | `doc' is documentation for the user. */ |
3cfe6dfd | 1912 | |
c451d7b1 | 1913 | /* This version of DEFUN declares a function prototype with the right |
99a3d506 | 1914 | arguments, so we can catch errors with maxargs at compile-time. */ |
a7ca3326 | 1915 | #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \ |
7c06ac2b | 1916 | Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \ |
95c82688 | 1917 | static DECL_ALIGN (struct Lisp_Subr, sname) = \ |
eb49b136 | 1918 | { PVEC_SUBR, \ |
d5273788 SM |
1919 | { .a ## maxargs = fnname }, \ |
1920 | minargs, maxargs, lname, intspec, 0}; \ | |
c451d7b1 RS |
1921 | Lisp_Object fnname |
1922 | ||
1923 | /* Note that the weird token-substitution semantics of ANSI C makes | |
99a3d506 | 1924 | this work for MANY and UNEVALLED. */ |
f66c7cf8 | 1925 | #define DEFUN_ARGS_MANY (ptrdiff_t, Lisp_Object *) |
c451d7b1 RS |
1926 | #define DEFUN_ARGS_UNEVALLED (Lisp_Object) |
1927 | #define DEFUN_ARGS_0 (void) | |
1928 | #define DEFUN_ARGS_1 (Lisp_Object) | |
1929 | #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object) | |
1930 | #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object) | |
1931 | #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) | |
1932 | #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ | |
1933 | Lisp_Object) | |
1934 | #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ | |
1935 | Lisp_Object, Lisp_Object) | |
1936 | #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ | |
1937 | Lisp_Object, Lisp_Object, Lisp_Object) | |
5593f7e3 KH |
1938 | #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ |
1939 | Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) | |
276680c4 | 1940 | |
78edd3b7 | 1941 | /* Non-zero if OBJ is a Lisp function. */ |
276680c4 GM |
1942 | #define FUNCTIONP(OBJ) \ |
1943 | ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \ | |
1944 | || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \ | |
1945 | || COMPILEDP (OBJ) \ | |
1946 | || SUBRP (OBJ)) | |
e2c0561e | 1947 | |
3cfe6dfd | 1948 | /* defsubr (Sname); |
d19b9aa8 | 1949 | is how we define the symbol for function `name' at start-up time. */ |
383e0970 | 1950 | extern void defsubr (struct Lisp_Subr *); |
3cfe6dfd JB |
1951 | |
1952 | #define MANY -2 | |
1953 | #define UNEVALLED -1 | |
1954 | ||
ce5b453a SM |
1955 | extern void defvar_lisp (struct Lisp_Objfwd *, const char *, Lisp_Object *); |
1956 | extern void defvar_lisp_nopro (struct Lisp_Objfwd *, const char *, Lisp_Object *); | |
1957 | extern void defvar_bool (struct Lisp_Boolfwd *, const char *, int *); | |
1958 | extern void defvar_int (struct Lisp_Intfwd *, const char *, EMACS_INT *); | |
1959 | extern void defvar_kboard (struct Lisp_Kboard_Objfwd *, const char *, int); | |
3cfe6dfd JB |
1960 | |
1961 | /* Macros we use to define forwarded Lisp variables. | |
29208e82 | 1962 | These are used in the syms_of_FILENAME functions. |
51b59d79 | 1963 | |
29208e82 TT |
1964 | An ordinary (not in buffer_defaults, per-buffer, or per-keyboard) |
1965 | lisp variable is actually a field in `struct emacs_globals'. The | |
1966 | field's name begins with "f_", which is a convention enforced by | |
1967 | these macros. Each such global has a corresponding #define in | |
1968 | globals.h; the plain name should be used in the code. | |
1969 | ||
1970 | E.g., the global "cons_cells_consed" is declared as "int | |
1971 | f_cons_cells_consed" in globals.h, but there is a define: | |
1972 | ||
1973 | #define cons_cells_consed globals.f_cons_cells_consed | |
1974 | ||
1975 | All C code uses the `cons_cells_consed' name. This is all done | |
1976 | this way to support indirection for multi-threaded Emacs. */ | |
3cfe6dfd | 1977 | |
ce5b453a SM |
1978 | #define DEFVAR_LISP(lname, vname, doc) \ |
1979 | do { \ | |
1980 | static struct Lisp_Objfwd o_fwd; \ | |
29208e82 | 1981 | defvar_lisp (&o_fwd, lname, &globals.f_ ## vname); \ |
ce5b453a SM |
1982 | } while (0) |
1983 | #define DEFVAR_LISP_NOPRO(lname, vname, doc) \ | |
1984 | do { \ | |
1985 | static struct Lisp_Objfwd o_fwd; \ | |
29208e82 | 1986 | defvar_lisp_nopro (&o_fwd, lname, &globals.f_ ## vname); \ |
ce5b453a SM |
1987 | } while (0) |
1988 | #define DEFVAR_BOOL(lname, vname, doc) \ | |
1989 | do { \ | |
1990 | static struct Lisp_Boolfwd b_fwd; \ | |
29208e82 | 1991 | defvar_bool (&b_fwd, lname, &globals.f_ ## vname); \ |
ce5b453a SM |
1992 | } while (0) |
1993 | #define DEFVAR_INT(lname, vname, doc) \ | |
1994 | do { \ | |
1995 | static struct Lisp_Intfwd i_fwd; \ | |
29208e82 | 1996 | defvar_int (&i_fwd, lname, &globals.f_ ## vname); \ |
ce5b453a | 1997 | } while (0) |
92d2947b | 1998 | |
422745d0 TT |
1999 | #define DEFVAR_BUFFER_DEFAULTS(lname, vname, doc) \ |
2000 | do { \ | |
2001 | static struct Lisp_Objfwd o_fwd; \ | |
eb4916d7 | 2002 | defvar_lisp_nopro (&o_fwd, lname, &BVAR (&buffer_defaults, vname)); \ |
422745d0 TT |
2003 | } while (0) |
2004 | ||
ce5b453a SM |
2005 | #define DEFVAR_KBOARD(lname, vname, doc) \ |
2006 | do { \ | |
2007 | static struct Lisp_Kboard_Objfwd ko_fwd; \ | |
437b2cb4 | 2008 | defvar_kboard (&ko_fwd, lname, offsetof (KBOARD, vname ## _)); \ |
ce5b453a | 2009 | } while (0) |
df7cd53b | 2010 | |
df7cd53b | 2011 | |
3cfe6dfd | 2012 | \f |
78ca380c JB |
2013 | /* Structure for recording Lisp call stack for backtrace purposes. */ |
2014 | ||
2015 | /* The special binding stack holds the outer values of variables while | |
2016 | they are bound by a function application or a let form, stores the | |
2017 | code to be executed for Lisp unwind-protect forms, and stores the C | |
2018 | functions to be called for record_unwind_protect. | |
2019 | ||
2020 | If func is non-zero, undoing this binding applies func to old_value; | |
2021 | This implements record_unwind_protect. | |
5fd6e274 RS |
2022 | |
2023 | Otherwise, the element is a variable binding. | |
e2c0561e | 2024 | |
5fd6e274 | 2025 | If the symbol field is a symbol, it is an ordinary variable binding. |
e2c0561e | 2026 | |
78edd3b7 JB |
2027 | Otherwise, it should be a structure (SYMBOL WHERE . CURRENT-BUFFER), |
2028 | which means having bound a local value while CURRENT-BUFFER was active. | |
2029 | If WHERE is nil this means we saw the default value when binding SYMBOL. | |
2030 | WHERE being a buffer or frame means we saw a buffer-local or frame-local | |
2031 | value. Other values of WHERE mean an internal error. */ | |
5fd6e274 | 2032 | |
383e0970 | 2033 | typedef Lisp_Object (*specbinding_func) (Lisp_Object); |
07c9ebd6 | 2034 | |
3cfe6dfd JB |
2035 | struct specbinding |
2036 | { | |
a7af5886 SM |
2037 | Lisp_Object symbol, old_value; |
2038 | specbinding_func func; | |
3cfe6dfd JB |
2039 | Lisp_Object unused; /* Dividing by 16 is faster than by 12 */ |
2040 | }; | |
2041 | ||
2042 | extern struct specbinding *specpdl; | |
a7af5886 | 2043 | extern struct specbinding *specpdl_ptr; |
5816888b | 2044 | extern EMACS_INT specpdl_size; |
3cfe6dfd | 2045 | |
faf8b5bc | 2046 | #define SPECPDL_INDEX() ((int) (specpdl_ptr - specpdl)) |
acb8dc44 | 2047 | |
78ca380c | 2048 | /* Everything needed to describe an active condition case. */ |
3cfe6dfd JB |
2049 | struct handler |
2050 | { | |
78ca380c | 2051 | /* The handler clauses and variable from the condition-case form. */ |
992dd91a RS |
2052 | /* For a handler set up in Lisp code, this is always a list. |
2053 | For an internal handler set up by internal_condition_case*, | |
2054 | this can instead be the symbol t or `error'. | |
2055 | t: handle all conditions. | |
2056 | error: handle all conditions, and errors can run the debugger | |
2057 | or display a backtrace. */ | |
3cfe6dfd JB |
2058 | Lisp_Object handler; |
2059 | Lisp_Object var; | |
22bbbd42 RS |
2060 | /* Fsignal stores here the condition-case clause that applies, |
2061 | and Fcondition_case thus knows which clause to run. */ | |
2062 | Lisp_Object chosen_clause; | |
78ca380c JB |
2063 | |
2064 | /* Used to effect the longjump out to the handler. */ | |
3cfe6dfd | 2065 | struct catchtag *tag; |
78ca380c JB |
2066 | |
2067 | /* The next enclosing handler. */ | |
3cfe6dfd JB |
2068 | struct handler *next; |
2069 | }; | |
2070 | ||
d7306fe6 DN |
2071 | /* This structure helps implement the `catch' and `throw' control |
2072 | structure. A struct catchtag contains all the information needed | |
2073 | to restore the state of the interpreter after a non-local jump. | |
2074 | ||
2075 | Handlers for error conditions (represented by `struct handler' | |
2076 | structures) just point to a catch tag to do the cleanup required | |
2077 | for their jumps. | |
2078 | ||
2079 | catchtag structures are chained together in the C calling stack; | |
2080 | the `next' member points to the next outer catchtag. | |
2081 | ||
2082 | A call like (throw TAG VAL) searches for a catchtag whose `tag' | |
2083 | member is TAG, and then unbinds to it. The `val' member is used to | |
2084 | hold VAL while the stack is unwound; `val' is returned as the value | |
2085 | of the catch form. | |
2086 | ||
2087 | All the other members are concerned with restoring the interpreter | |
2088 | state. */ | |
2089 | ||
2090 | struct catchtag | |
2091 | { | |
2092 | Lisp_Object tag; | |
2093 | Lisp_Object val; | |
2094 | struct catchtag *next; | |
2095 | struct gcpro *gcpro; | |
2096 | jmp_buf jmp; | |
2097 | struct backtrace *backlist; | |
2098 | struct handler *handlerlist; | |
2099 | int lisp_eval_depth; | |
2100 | int pdlcount; | |
2101 | int poll_suppress_count; | |
2102 | int interrupt_input_blocked; | |
2103 | struct byte_stack *byte_stack; | |
2104 | }; | |
2105 | ||
22bbbd42 RS |
2106 | extern Lisp_Object memory_signal_data; |
2107 | ||
3cfe6dfd JB |
2108 | /* An address near the bottom of the stack. |
2109 | Tells GC how to save a copy of the stack. */ | |
2110 | extern char *stack_bottom; | |
2111 | ||
4742f524 RS |
2112 | /* Check quit-flag and quit if it is non-nil. |
2113 | Typing C-g does not directly cause a quit; it only sets Vquit_flag. | |
2114 | So the program needs to do QUIT at times when it is safe to quit. | |
2115 | Every loop that might run for a long time or might not exit | |
2116 | ought to do QUIT at least once, at a safe place. | |
2117 | Unless that is impossible, of course. | |
2118 | But it is very desirable to avoid creating loops where QUIT is impossible. | |
2119 | ||
2120 | Exception: if you set immediate_quit to nonzero, | |
2121 | then the handler that responds to the C-g does the quit itself. | |
2122 | This is a good thing to do around a loop that has no side effects | |
2123 | and (in particular) cannot call arbitrary Lisp code. */ | |
3cfe6dfd | 2124 | |
6b61353c | 2125 | #ifdef SYNC_INPUT |
383e0970 | 2126 | extern void process_pending_signals (void); |
26f1ab24 | 2127 | extern int pending_signals; |
c0335e02 SM |
2128 | #define ELSE_PENDING_SIGNALS \ |
2129 | else if (pending_signals) \ | |
2130 | process_pending_signals (); | |
6b61353c | 2131 | #else /* not SYNC_INPUT */ |
c0335e02 SM |
2132 | #define ELSE_PENDING_SIGNALS |
2133 | #endif /* not SYNC_INPUT */ | |
6b61353c | 2134 | |
a69a6e61 GM |
2135 | #define QUIT \ |
2136 | do { \ | |
2137 | if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \ | |
2138 | { \ | |
08fdede6 | 2139 | Lisp_Object flag = Vquit_flag; \ |
a69a6e61 | 2140 | Vquit_flag = Qnil; \ |
08fdede6 | 2141 | if (EQ (Vthrow_on_input, flag)) \ |
85c9ff2c | 2142 | Fthrow (Vthrow_on_input, Qt); \ |
a69a6e61 GM |
2143 | Fsignal (Qquit, Qnil); \ |
2144 | } \ | |
c0335e02 | 2145 | ELSE_PENDING_SIGNALS \ |
a69a6e61 | 2146 | } while (0) |
3cfe6dfd | 2147 | |
6b61353c | 2148 | |
3cfe6dfd JB |
2149 | /* Nonzero if ought to quit now. */ |
2150 | ||
efb859b4 | 2151 | #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) |
3cfe6dfd | 2152 | \f |
31cd66f3 PE |
2153 | extern Lisp_Object Vascii_downcase_table; |
2154 | extern Lisp_Object Vascii_canon_table; | |
3cfe6dfd | 2155 | \f |
99a3d506 | 2156 | /* Number of bytes of structure consed since last GC. */ |
3cfe6dfd | 2157 | |
0de4bb68 | 2158 | extern EMACS_INT consing_since_gc; |
3cfe6dfd | 2159 | |
9bd32d8c | 2160 | extern EMACS_INT gc_relative_threshold; |
3cfe6dfd | 2161 | |
eb3fe174 RS |
2162 | extern EMACS_INT memory_full_cons_threshold; |
2163 | ||
99a3d506 | 2164 | /* Structure for recording stack slots that need marking. */ |
3cfe6dfd | 2165 | |
78edd3b7 JB |
2166 | /* This is a chain of structures, each of which points at a Lisp_Object |
2167 | variable whose value should be marked in garbage collection. | |
2168 | Normally every link of the chain is an automatic variable of a function, | |
2169 | and its `val' points to some argument or local variable of the function. | |
2170 | On exit to the function, the chain is set back to the value it had on entry. | |
2171 | This way, no link remains in the chain when the stack frame containing the | |
2172 | link disappears. | |
3cfe6dfd | 2173 | |
78edd3b7 JB |
2174 | Every function that can call Feval must protect in this fashion all |
2175 | Lisp_Object variables whose contents will be used again. */ | |
3cfe6dfd JB |
2176 | |
2177 | extern struct gcpro *gcprolist; | |
2178 | ||
2179 | struct gcpro | |
834168ef GM |
2180 | { |
2181 | struct gcpro *next; | |
e2c0561e | 2182 | |
834168ef GM |
2183 | /* Address of first protected variable. */ |
2184 | volatile Lisp_Object *var; | |
e2c0561e | 2185 | |
834168ef | 2186 | /* Number of consecutive protected variables. */ |
f66c7cf8 | 2187 | ptrdiff_t nvars; |
e2c0561e | 2188 | |
4742f524 | 2189 | #ifdef DEBUG_GCPRO |
834168ef | 2190 | int level; |
4742f524 | 2191 | #endif |
834168ef | 2192 | }; |
3cfe6dfd | 2193 | |
1216f5e4 GM |
2194 | /* Values of GC_MARK_STACK during compilation: |
2195 | ||
2196 | 0 Use GCPRO as before | |
2197 | 1 Do the real thing, make GCPROs and UNGCPRO no-ops. | |
2198 | 2 Mark the stack, and check that everything GCPRO'd is | |
2199 | marked. | |
2200 | 3 Mark using GCPRO's, mark stack last, and count how many | |
2201 | dead objects are kept alive. */ | |
2202 | ||
2203 | ||
2204 | #define GC_USE_GCPROS_AS_BEFORE 0 | |
2205 | #define GC_MAKE_GCPROS_NOOPS 1 | |
2206 | #define GC_MARK_STACK_CHECK_GCPROS 2 | |
2207 | #define GC_USE_GCPROS_CHECK_ZOMBIES 3 | |
2208 | ||
2209 | #ifndef GC_MARK_STACK | |
2210 | #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE | |
2211 | #endif | |
2212 | ||
b286858c SM |
2213 | /* Whether we do the stack marking manually. */ |
2214 | #define BYTE_MARK_STACK !(GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS \ | |
2215 | || GC_MARK_STACK == GC_MARK_STACK_CHECK_GCPROS) | |
2216 | ||
2217 | ||
7082eac6 PE |
2218 | #define GCPRO1(var) \ |
2219 | GCPRO1_VAR (var, gcpro) | |
2220 | #define GCPRO2(var1, var2) \ | |
2221 | GCPRO2_VAR (var1, var2, gcpro) | |
2222 | #define GCPRO3(var1, var2, var3) \ | |
2223 | GCPRO3_VAR (var1, var2, var3, gcpro) | |
2224 | #define GCPRO4(var1, var2, var3, var4) \ | |
2225 | GCPRO4_VAR (var1, var2, var3, var4, gcpro) | |
2226 | #define GCPRO5(var1, var2, var3, var4, var5) \ | |
2227 | GCPRO5_VAR (var1, var2, var3, var4, var5, gcpro) | |
2228 | #define GCPRO6(var1, var2, var3, var4, var5, var6) \ | |
2229 | GCPRO6_VAR (var1, var2, var3, var4, var5, var6, gcpro) | |
2230 | #define UNGCPRO UNGCPRO_VAR (gcpro) | |
7e3ab302 | 2231 | |
1216f5e4 GM |
2232 | #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS |
2233 | ||
9f0443f9 | 2234 | /* Do something silly with gcproN vars just so gcc shuts up. */ |
656c33dc | 2235 | /* You get warnings from MIPSPro... */ |
9f0443f9 | 2236 | |
7082eac6 PE |
2237 | #define GCPRO1_VAR(var, gcpro) ((void) gcpro##1) |
2238 | #define GCPRO2_VAR(var1, var2, gcpro) \ | |
2239 | ((void) gcpro##2, (void) gcpro##1) | |
2240 | #define GCPRO3_VAR(var1, var2, var3, gcpro) \ | |
2241 | ((void) gcpro##3, (void) gcpro##2, (void) gcpro##1) | |
2242 | #define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \ | |
2243 | ((void) gcpro##4, (void) gcpro##3, (void) gcpro##2, (void) gcpro##1) | |
2244 | #define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \ | |
2245 | ((void) gcpro##5, (void) gcpro##4, (void) gcpro##3, (void) gcpro##2, \ | |
2246 | (void) gcpro##1) | |
2247 | #define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \ | |
2248 | ((void) gcpro##6, (void) gcpro##5, (void) gcpro##4, (void) gcpro##3, \ | |
2249 | (void) gcpro##2, (void) gcpro##1) | |
2250 | #define UNGCPRO_VAR(gcpro) ((void) 0) | |
1216f5e4 GM |
2251 | |
2252 | #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */ | |
2253 | ||
4742f524 RS |
2254 | #ifndef DEBUG_GCPRO |
2255 | ||
7082eac6 PE |
2256 | #define GCPRO1_VAR(var, gcpro) \ |
2257 | {gcpro##1.next = gcprolist; gcpro##1.var = &var; gcpro##1.nvars = 1; \ | |
2258 | gcprolist = &gcpro##1; } | |
2259 | ||
2260 | #define GCPRO2_VAR(var1, var2, gcpro) \ | |
2261 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2262 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2263 | gcprolist = &gcpro##2; } | |
2264 | ||
2265 | #define GCPRO3_VAR(var1, var2, var3, gcpro) \ | |
2266 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2267 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2268 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2269 | gcprolist = &gcpro##3; } | |
2270 | ||
2271 | #define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \ | |
2272 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2273 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2274 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2275 | gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \ | |
2276 | gcprolist = &gcpro##4; } | |
2277 | ||
2278 | #define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \ | |
2279 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2280 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2281 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2282 | gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \ | |
2283 | gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \ | |
2284 | gcprolist = &gcpro##5; } | |
2285 | ||
2286 | #define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \ | |
2287 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2288 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2289 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2290 | gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \ | |
2291 | gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \ | |
2292 | gcpro##6.next = &gcpro##5; gcpro##6.var = &var6; gcpro##6.nvars = 1; \ | |
2293 | gcprolist = &gcpro##6; } | |
2294 | ||
2295 | #define UNGCPRO_VAR(gcpro) (gcprolist = gcpro##1.next) | |
3cfe6dfd | 2296 | |
4742f524 | 2297 | #else |
e98227af | 2298 | |
4742f524 RS |
2299 | extern int gcpro_level; |
2300 | ||
7082eac6 PE |
2301 | #define GCPRO1_VAR(var, gcpro) \ |
2302 | {gcpro##1.next = gcprolist; gcpro##1.var = &var; gcpro##1.nvars = 1; \ | |
2303 | gcpro##1.level = gcpro_level++; \ | |
2304 | gcprolist = &gcpro##1; } | |
2305 | ||
2306 | #define GCPRO2_VAR(var1, var2, gcpro) \ | |
2307 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2308 | gcpro##1.level = gcpro_level; \ | |
2309 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2310 | gcpro##2.level = gcpro_level++; \ | |
2311 | gcprolist = &gcpro##2; } | |
2312 | ||
2313 | #define GCPRO3_VAR(var1, var2, var3, gcpro) \ | |
2314 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2315 | gcpro##1.level = gcpro_level; \ | |
2316 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2317 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2318 | gcpro##3.level = gcpro_level++; \ | |
2319 | gcprolist = &gcpro##3; } | |
2320 | ||
2321 | #define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \ | |
2322 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2323 | gcpro##1.level = gcpro_level; \ | |
2324 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2325 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2326 | gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \ | |
2327 | gcpro##4.level = gcpro_level++; \ | |
2328 | gcprolist = &gcpro##4; } | |
2329 | ||
2330 | #define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \ | |
2331 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2332 | gcpro##1.level = gcpro_level; \ | |
2333 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2334 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2335 | gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \ | |
2336 | gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \ | |
2337 | gcpro##5.level = gcpro_level++; \ | |
2338 | gcprolist = &gcpro##5; } | |
2339 | ||
2340 | #define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \ | |
2341 | {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \ | |
2342 | gcpro##1.level = gcpro_level; \ | |
2343 | gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \ | |
2344 | gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \ | |
2345 | gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \ | |
2346 | gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \ | |
2347 | gcpro##6.next = &gcpro##5; gcpro##6.var = &var6; gcpro##6.nvars = 1; \ | |
2348 | gcpro##6.level = gcpro_level++; \ | |
2349 | gcprolist = &gcpro##6; } | |
2350 | ||
2351 | #define UNGCPRO_VAR(gcpro) \ | |
2352 | ((--gcpro_level != gcpro##1.level) \ | |
2353 | ? (abort (), 0) \ | |
2354 | : ((gcprolist = gcpro##1.next), 0)) | |
4742f524 RS |
2355 | |
2356 | #endif /* DEBUG_GCPRO */ | |
1216f5e4 GM |
2357 | #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */ |
2358 | ||
3cfe6dfd | 2359 | |
5db82c9d | 2360 | /* Evaluate expr, UNGCPRO, and then return the value of expr. */ |
c47b8d02 | 2361 | #define RETURN_UNGCPRO(expr) \ |
0868e74e | 2362 | do \ |
c47b8d02 RS |
2363 | { \ |
2364 | Lisp_Object ret_ungc_val; \ | |
2365 | ret_ungc_val = (expr); \ | |
2366 | UNGCPRO; \ | |
2367 | return ret_ungc_val; \ | |
2368 | } \ | |
0868e74e | 2369 | while (0) |
4742f524 RS |
2370 | |
2371 | /* Call staticpro (&var) to protect static variable `var'. */ | |
2372 | ||
383e0970 | 2373 | void staticpro (Lisp_Object *); |
3cfe6dfd | 2374 | \f |
2f69f2ec RS |
2375 | /* Declare a Lisp-callable function. The MAXARGS parameter has the same |
2376 | meaning as in the DEFUN macro, and is used to construct a prototype. */ | |
2f69f2ec RS |
2377 | /* We can use the same trick as in the DEFUN macro to generate the |
2378 | appropriate prototype. */ | |
2379 | #define EXFUN(fnname, maxargs) \ | |
2380 | extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs | |
2f69f2ec | 2381 | |
526a2be7 AS |
2382 | /* Forward declarations for prototypes. */ |
2383 | struct window; | |
2384 | struct frame; | |
2f69f2ec | 2385 | |
f6d62986 | 2386 | /* Defined in data.c. */ |
955cbe7b | 2387 | extern Lisp_Object Qnil, Qt, Qquote, Qlambda, Qunbound; |
3cfe6dfd | 2388 | extern Lisp_Object Qerror_conditions, Qerror_message, Qtop_level; |
955cbe7b | 2389 | extern Lisp_Object Qerror, Qquit, Qargs_out_of_range; |
3cfe6dfd | 2390 | extern Lisp_Object Qvoid_variable, Qvoid_function; |
955cbe7b | 2391 | extern Lisp_Object Qinvalid_read_syntax; |
3cfe6dfd | 2392 | extern Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; |
6b61353c | 2393 | extern Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
3cfe6dfd | 2394 | extern Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
6b61353c | 2395 | extern Lisp_Object Qtext_read_only; |
e6cba650 | 2396 | extern Lisp_Object Qinteractive_form; |
99f3388e | 2397 | extern Lisp_Object Qcircular_list; |
955cbe7b | 2398 | extern Lisp_Object Qintegerp, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
3cfe6dfd | 2399 | extern Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
6b61353c | 2400 | extern Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; |
cde20f41 | 2401 | extern Lisp_Object Qbuffer_or_string_p; |
955cbe7b | 2402 | extern Lisp_Object Qfboundp; |
6b61353c KH |
2403 | extern Lisp_Object Qchar_table_p, Qvector_or_char_table_p; |
2404 | ||
3cfe6dfd JB |
2405 | extern Lisp_Object Qcdr; |
2406 | ||
6b61353c KH |
2407 | extern Lisp_Object Qrange_error, Qdomain_error, Qsingularity_error; |
2408 | extern Lisp_Object Qoverflow_error, Qunderflow_error; | |
3cfe6dfd | 2409 | |
6b61353c KH |
2410 | extern Lisp_Object Qfloatp; |
2411 | extern Lisp_Object Qnumberp, Qnumber_or_marker_p; | |
2412 | ||
2413 | extern Lisp_Object Qinteger; | |
3cfe6dfd | 2414 | |
a35ebb81 CY |
2415 | extern Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
2416 | ||
6b61353c | 2417 | EXFUN (Finteractive_form, 1); |
9370c1d8 | 2418 | EXFUN (Fbyteorder, 0); |
6b61353c KH |
2419 | |
2420 | /* Defined in frame.c */ | |
2421 | extern Lisp_Object Qframep; | |
7436b0a9 | 2422 | |
2f7c71a1 | 2423 | /* Defined in data.c */ |
2f69f2ec RS |
2424 | EXFUN (Fcar, 1); |
2425 | EXFUN (Fcar_safe, 1); | |
2426 | EXFUN (Fcdr, 1); | |
2427 | EXFUN (Fcdr_safe, 1); | |
2428 | EXFUN (Fsetcar, 2); | |
2429 | EXFUN (Fsetcdr, 2); | |
2430 | EXFUN (Fboundp, 1); | |
2431 | EXFUN (Ffboundp, 1); | |
2f69f2ec | 2432 | EXFUN (Fsymbol_function, 1); |
2f69f2ec | 2433 | EXFUN (Fsymbol_name, 1); |
383e0970 | 2434 | extern Lisp_Object indirect_function (Lisp_Object); |
a7f96a35 | 2435 | EXFUN (Findirect_function, 2); |
2f69f2ec | 2436 | EXFUN (Ffset, 2); |
2f69f2ec | 2437 | EXFUN (Fsymbol_value, 1); |
383e0970 | 2438 | extern Lisp_Object find_symbol_value (Lisp_Object); |
2f69f2ec RS |
2439 | EXFUN (Fset, 2); |
2440 | EXFUN (Fdefault_value, 1); | |
2441 | EXFUN (Fset_default, 2); | |
2442 | EXFUN (Fdefault_boundp, 1); | |
2443 | EXFUN (Fmake_local_variable, 1); | |
a154f406 | 2444 | EXFUN (Flocal_variable_p, 2); |
2f69f2ec RS |
2445 | |
2446 | EXFUN (Faref, 2); | |
2447 | EXFUN (Faset, 3); | |
2448 | ||
2449 | EXFUN (Fstring_to_number, 2); | |
2450 | EXFUN (Fnumber_to_string, 1); | |
2f69f2ec RS |
2451 | EXFUN (Fgtr, 2); |
2452 | EXFUN (Flss, 2); | |
2453 | EXFUN (Fgeq, 2); | |
2454 | EXFUN (Fleq, 2); | |
2f69f2ec RS |
2455 | EXFUN (Fzerop, 1); |
2456 | EXFUN (Fplus, MANY); | |
2457 | EXFUN (Fminus, MANY); | |
2458 | EXFUN (Ftimes, MANY); | |
2459 | EXFUN (Fquo, MANY); | |
2460 | EXFUN (Frem, 2); | |
2461 | EXFUN (Fmax, MANY); | |
2462 | EXFUN (Fmin, MANY); | |
2f69f2ec RS |
2463 | |
2464 | EXFUN (Fadd1, 1); | |
2465 | EXFUN (Fsub1, 1); | |
d7935eb6 | 2466 | EXFUN (Fmake_variable_buffer_local, 1); |
2f69f2ec | 2467 | |
be44ca6c PE |
2468 | /* Convert the integer I to an Emacs representation, either the integer |
2469 | itself, or a cons of two or three integers, or if all else fails a float. | |
2470 | I should not have side effects. */ | |
2471 | #define INTEGER_TO_CONS(i) \ | |
2472 | (! FIXNUM_OVERFLOW_P (i) \ | |
2473 | ? make_number (i) \ | |
2474 | : ! ((FIXNUM_OVERFLOW_P (INTMAX_MIN >> 16) \ | |
2475 | || FIXNUM_OVERFLOW_P (UINTMAX_MAX >> 16)) \ | |
2476 | && FIXNUM_OVERFLOW_P ((i) >> 16)) \ | |
2477 | ? Fcons (make_number ((i) >> 16), make_number ((i) & 0xffff)) \ | |
2478 | : ! ((FIXNUM_OVERFLOW_P (INTMAX_MIN >> 16 >> 24) \ | |
2479 | || FIXNUM_OVERFLOW_P (UINTMAX_MAX >> 16 >> 24)) \ | |
2480 | && FIXNUM_OVERFLOW_P ((i) >> 16 >> 24)) \ | |
2481 | ? Fcons (make_number ((i) >> 16 >> 24), \ | |
2482 | Fcons (make_number ((i) >> 16 & 0xffffff), \ | |
2483 | make_number ((i) & 0xffff))) \ | |
2484 | : make_float (i)) | |
2485 | ||
2486 | /* Convert the Emacs representation CONS back to an integer of type | |
2487 | TYPE, storing the result the variable VAR. Signal an error if CONS | |
2488 | is not a valid representation or is out of range for TYPE. */ | |
2489 | #define CONS_TO_INTEGER(cons, type, var) \ | |
2490 | (TYPE_SIGNED (type) \ | |
2491 | ? ((var) = cons_to_signed (cons, TYPE_MINIMUM (type), TYPE_MAXIMUM (type))) \ | |
2492 | : ((var) = cons_to_unsigned (cons, TYPE_MAXIMUM (type)))) | |
2493 | extern intmax_t cons_to_signed (Lisp_Object, intmax_t, intmax_t); | |
2494 | extern uintmax_t cons_to_unsigned (Lisp_Object, uintmax_t); | |
2495 | ||
ad97b375 | 2496 | extern struct Lisp_Symbol *indirect_variable (struct Lisp_Symbol *); |
383e0970 J |
2497 | extern void args_out_of_range (Lisp_Object, Lisp_Object) NO_RETURN; |
2498 | extern void args_out_of_range_3 (Lisp_Object, Lisp_Object, | |
2499 | Lisp_Object) NO_RETURN; | |
2500 | extern Lisp_Object wrong_type_argument (Lisp_Object, Lisp_Object) NO_RETURN; | |
ce5b453a | 2501 | extern Lisp_Object do_symval_forwarding (union Lisp_Fwd *); |
94b612ad | 2502 | extern void set_internal (Lisp_Object, Lisp_Object, Lisp_Object, int); |
383e0970 J |
2503 | extern void syms_of_data (void); |
2504 | extern void init_data (void); | |
2505 | extern void swap_in_global_binding (struct Lisp_Symbol *); | |
3cfe6dfd | 2506 | |
a37e10f9 | 2507 | /* Defined in cmds.c */ |
2f69f2ec RS |
2508 | EXFUN (Fend_of_line, 1); |
2509 | EXFUN (Fforward_char, 1); | |
2510 | EXFUN (Fforward_line, 1); | |
383e0970 J |
2511 | extern void syms_of_cmds (void); |
2512 | extern void keys_of_cmds (void); | |
a37e10f9 | 2513 | |
6b768554 | 2514 | /* Defined in coding.c */ |
2f7c71a1 | 2515 | extern Lisp_Object Qcharset; |
2f69f2ec | 2516 | EXFUN (Fcoding_system_p, 1); |
a6392022 KH |
2517 | EXFUN (Fcoding_system_base, 1); |
2518 | EXFUN (Fcoding_system_eol_type, 1); | |
2519 | EXFUN (Fcheck_coding_system, 1); | |
34ba1f2e | 2520 | EXFUN (Fread_coding_system, 2); |
2f69f2ec | 2521 | EXFUN (Fread_non_nil_coding_system, 1); |
a154f406 | 2522 | EXFUN (Ffind_operation_coding_system, MANY); |
1842abb2 | 2523 | EXFUN (Fdecode_coding_string, 4); |
383e0970 J |
2524 | extern Lisp_Object detect_coding_system (const unsigned char *, EMACS_INT, |
2525 | EMACS_INT, int, int, Lisp_Object); | |
2526 | extern void init_coding (void); | |
2527 | extern void init_coding_once (void); | |
2528 | extern void syms_of_coding (void); | |
1842abb2 KH |
2529 | |
2530 | /* Defined in character.c */ | |
ec5d8db7 | 2531 | EXFUN (Fchar_width, 1); |
4516715a | 2532 | EXFUN (Fstring, MANY); |
383e0970 J |
2533 | extern EMACS_INT chars_in_text (const unsigned char *, EMACS_INT); |
2534 | extern EMACS_INT multibyte_chars_in_text (const unsigned char *, EMACS_INT); | |
461c2ab9 | 2535 | extern int multibyte_char_to_unibyte (int); |
383e0970 | 2536 | extern int multibyte_char_to_unibyte_safe (int); |
2f7c71a1 AS |
2537 | extern void init_character_once (void); |
2538 | extern void syms_of_character (void); | |
2539 | ||
2540 | /* Defined in charset.c */ | |
383e0970 J |
2541 | extern void init_charset (void); |
2542 | extern void init_charset_once (void); | |
2543 | extern void syms_of_charset (void); | |
8f924df7 KH |
2544 | /* Structure forward declarations. */ |
2545 | struct charset; | |
5e741a41 | 2546 | |
1842abb2 | 2547 | /* Defined in composite.c */ |
383e0970 | 2548 | extern void syms_of_composite (void); |
5e741a41 | 2549 | |
a37e10f9 | 2550 | /* Defined in syntax.c */ |
2f69f2ec RS |
2551 | EXFUN (Fforward_word, 1); |
2552 | EXFUN (Fskip_chars_forward, 2); | |
2553 | EXFUN (Fskip_chars_backward, 2); | |
383e0970 J |
2554 | extern void init_syntax_once (void); |
2555 | extern void syms_of_syntax (void); | |
a37e10f9 | 2556 | |
3cfe6dfd | 2557 | /* Defined in fns.c */ |
99f3388e | 2558 | extern Lisp_Object QCrehash_size, QCrehash_threshold; |
ca9ce8f2 | 2559 | enum { NEXT_ALMOST_PRIME_LIMIT = 11 }; |
0de4bb68 PE |
2560 | extern EMACS_INT next_almost_prime (EMACS_INT); |
2561 | extern Lisp_Object larger_vector (Lisp_Object, EMACS_INT, Lisp_Object); | |
383e0970 | 2562 | extern void sweep_weak_hash_tables (void); |
e6cba650 | 2563 | extern Lisp_Object Qcursor_in_echo_area; |
3cfe6dfd | 2564 | extern Lisp_Object Qstring_lessp; |
99f3388e | 2565 | extern Lisp_Object QCsize, QCtest, QCweakness, Qequal, Qeq, Qeql; |
3cc5a532 | 2566 | EMACS_UINT hash_string (char const *, ptrdiff_t); |
0de4bb68 | 2567 | EMACS_UINT sxhash (Lisp_Object, int); |
383e0970 J |
2568 | Lisp_Object make_hash_table (Lisp_Object, Lisp_Object, Lisp_Object, |
2569 | Lisp_Object, Lisp_Object, Lisp_Object, | |
2570 | Lisp_Object); | |
d3411f89 PE |
2571 | ptrdiff_t hash_lookup (struct Lisp_Hash_Table *, Lisp_Object, EMACS_UINT *); |
2572 | ptrdiff_t hash_put (struct Lisp_Hash_Table *, Lisp_Object, Lisp_Object, | |
0de4bb68 | 2573 | EMACS_UINT); |
383e0970 J |
2574 | void init_weak_hash_tables (void); |
2575 | extern void init_fns (void); | |
5010d3b8 | 2576 | EXFUN (Fmake_hash_table, MANY); |
5010d3b8 GM |
2577 | EXFUN (Fgethash, 3); |
2578 | EXFUN (Fputhash, 3); | |
2579 | EXFUN (Fremhash, 2); | |
5010d3b8 | 2580 | |
2f69f2ec | 2581 | EXFUN (Fidentity, 1); |
2f69f2ec | 2582 | EXFUN (Flength, 1); |
2f69f2ec RS |
2583 | EXFUN (Fappend, MANY); |
2584 | EXFUN (Fconcat, MANY); | |
2585 | EXFUN (Fvconcat, MANY); | |
2586 | EXFUN (Fcopy_sequence, 1); | |
b4e187e2 RS |
2587 | EXFUN (Fstring_make_multibyte, 1); |
2588 | EXFUN (Fstring_make_unibyte, 1); | |
2589 | EXFUN (Fstring_as_multibyte, 1); | |
2590 | EXFUN (Fstring_as_unibyte, 1); | |
35e36092 | 2591 | EXFUN (Fstring_to_multibyte, 1); |
2f69f2ec | 2592 | EXFUN (Fsubstring, 3); |
e6d4aefa EZ |
2593 | extern Lisp_Object substring_both (Lisp_Object, EMACS_INT, EMACS_INT, |
2594 | EMACS_INT, EMACS_INT); | |
2f69f2ec RS |
2595 | EXFUN (Fnth, 2); |
2596 | EXFUN (Fnthcdr, 2); | |
2597 | EXFUN (Fmemq, 2); | |
2598 | EXFUN (Fassq, 2); | |
2599 | EXFUN (Fassoc, 2); | |
2600 | EXFUN (Felt, 2); | |
2601 | EXFUN (Fmember, 2); | |
2602 | EXFUN (Frassq, 2); | |
2603 | EXFUN (Fdelq, 2); | |
e870dd89 | 2604 | EXFUN (Fdelete, 2); |
2f69f2ec RS |
2605 | EXFUN (Fsort, 2); |
2606 | EXFUN (Freverse, 1); | |
2607 | EXFUN (Fnreverse, 1); | |
2608 | EXFUN (Fget, 2); | |
2609 | EXFUN (Fput, 3); | |
2610 | EXFUN (Fequal, 2); | |
2f69f2ec RS |
2611 | EXFUN (Fnconc, MANY); |
2612 | EXFUN (Fmapcar, 2); | |
2613 | EXFUN (Fmapconcat, 3); | |
383e0970 | 2614 | extern Lisp_Object do_yes_or_no_p (Lisp_Object); |
13598ab4 | 2615 | EXFUN (Fprovide, 2); |
383e0970 J |
2616 | extern Lisp_Object concat2 (Lisp_Object, Lisp_Object); |
2617 | extern Lisp_Object concat3 (Lisp_Object, Lisp_Object, Lisp_Object); | |
2618 | extern Lisp_Object nconc2 (Lisp_Object, Lisp_Object); | |
2619 | extern Lisp_Object assq_no_quit (Lisp_Object, Lisp_Object); | |
2620 | extern Lisp_Object assoc_no_quit (Lisp_Object, Lisp_Object); | |
2621 | extern void clear_string_char_byte_cache (void); | |
2622 | extern EMACS_INT string_char_to_byte (Lisp_Object, EMACS_INT); | |
2623 | extern EMACS_INT string_byte_to_char (Lisp_Object, EMACS_INT); | |
383e0970 J |
2624 | extern Lisp_Object string_to_multibyte (Lisp_Object); |
2625 | extern Lisp_Object string_make_unibyte (Lisp_Object); | |
2f69f2ec RS |
2626 | EXFUN (Fcopy_alist, 1); |
2627 | EXFUN (Fplist_get, 2); | |
5010d3b8 | 2628 | EXFUN (Fplist_put, 3); |
99982883 | 2629 | EXFUN (Fplist_member, 2); |
2f69f2ec RS |
2630 | EXFUN (Frassoc, 2); |
2631 | EXFUN (Fstring_equal, 2); | |
42d65b5f | 2632 | EXFUN (Fcompare_strings, 7); |
2f69f2ec | 2633 | EXFUN (Fstring_lessp, 2); |
383e0970 | 2634 | extern void syms_of_fns (void); |
2f69f2ec RS |
2635 | |
2636 | /* Defined in floatfns.c */ | |
383e0970 | 2637 | extern double extract_float (Lisp_Object); |
2f69f2ec | 2638 | EXFUN (Ffloat, 1); |
2f69f2ec | 2639 | EXFUN (Ftruncate, 2); |
383e0970 J |
2640 | extern void init_floatfns (void); |
2641 | extern void syms_of_floatfns (void); | |
3d608a86 | 2642 | extern Lisp_Object fmod_float (Lisp_Object x, Lisp_Object y); |
3cfe6dfd | 2643 | |
6b61353c | 2644 | /* Defined in fringe.c */ |
383e0970 J |
2645 | extern void syms_of_fringe (void); |
2646 | extern void init_fringe (void); | |
524c7aa6 PE |
2647 | #ifdef HAVE_WINDOW_SYSTEM |
2648 | extern void mark_fringe_data (void); | |
383e0970 | 2649 | extern void init_fringe_once (void); |
524c7aa6 | 2650 | #endif /* HAVE_WINDOW_SYSTEM */ |
6b61353c KH |
2651 | |
2652 | /* Defined in image.c */ | |
955cbe7b PE |
2653 | extern Lisp_Object QCascent, QCmargin, QCrelief; |
2654 | extern Lisp_Object QCconversion; | |
0766b489 | 2655 | extern int x_bitmap_mask (struct frame *, ptrdiff_t); |
383e0970 J |
2656 | extern void syms_of_image (void); |
2657 | extern void init_image (void); | |
6b61353c | 2658 | |
c98adc1b | 2659 | /* Defined in insdel.c */ |
b8b31967 | 2660 | extern Lisp_Object Qinhibit_modification_hooks; |
ae19ba7c SM |
2661 | extern void move_gap (EMACS_INT); |
2662 | extern void move_gap_both (EMACS_INT, EMACS_INT); | |
99561444 | 2663 | extern void buffer_overflow (void) NO_RETURN; |
ae19ba7c | 2664 | extern void make_gap (EMACS_INT); |
9628fed7 SM |
2665 | extern EMACS_INT copy_text (const unsigned char *, unsigned char *, |
2666 | EMACS_INT, int, int); | |
ae19ba7c SM |
2667 | extern int count_combining_before (const unsigned char *, |
2668 | EMACS_INT, EMACS_INT, EMACS_INT); | |
2669 | extern int count_combining_after (const unsigned char *, | |
2670 | EMACS_INT, EMACS_INT, EMACS_INT); | |
b68864e5 PE |
2671 | extern void insert (const char *, EMACS_INT); |
2672 | extern void insert_and_inherit (const char *, EMACS_INT); | |
2673 | extern void insert_1 (const char *, EMACS_INT, int, int, int); | |
2674 | extern void insert_1_both (const char *, EMACS_INT, EMACS_INT, | |
ae19ba7c SM |
2675 | int, int, int); |
2676 | extern void insert_from_gap (EMACS_INT, EMACS_INT); | |
2677 | extern void insert_from_string (Lisp_Object, EMACS_INT, EMACS_INT, | |
2678 | EMACS_INT, EMACS_INT, int); | |
2679 | extern void insert_from_buffer (struct buffer *, EMACS_INT, EMACS_INT, int); | |
2680 | extern void insert_char (int); | |
2681 | extern void insert_string (const char *); | |
b68864e5 PE |
2682 | extern void insert_before_markers (const char *, EMACS_INT); |
2683 | extern void insert_before_markers_and_inherit (const char *, EMACS_INT); | |
ae19ba7c SM |
2684 | extern void insert_from_string_before_markers (Lisp_Object, EMACS_INT, |
2685 | EMACS_INT, EMACS_INT, | |
2686 | EMACS_INT, int); | |
2687 | extern void del_range (EMACS_INT, EMACS_INT); | |
2688 | extern Lisp_Object del_range_1 (EMACS_INT, EMACS_INT, int, int); | |
2689 | extern void del_range_byte (EMACS_INT, EMACS_INT, int); | |
2690 | extern void del_range_both (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, int); | |
2691 | extern Lisp_Object del_range_2 (EMACS_INT, EMACS_INT, | |
2692 | EMACS_INT, EMACS_INT, int); | |
2693 | extern void modify_region (struct buffer *, EMACS_INT, EMACS_INT, int); | |
9628fed7 | 2694 | extern void prepare_to_modify_buffer (EMACS_INT, EMACS_INT, EMACS_INT *); |
ae19ba7c | 2695 | extern void signal_after_change (EMACS_INT, EMACS_INT, EMACS_INT); |
ae19ba7c SM |
2696 | extern void adjust_after_insert (EMACS_INT, EMACS_INT, EMACS_INT, |
2697 | EMACS_INT, EMACS_INT); | |
2698 | extern void adjust_markers_for_delete (EMACS_INT, EMACS_INT, | |
2699 | EMACS_INT, EMACS_INT); | |
2700 | extern void replace_range (EMACS_INT, EMACS_INT, Lisp_Object, int, int, int); | |
2701 | extern void replace_range_2 (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, | |
a8fe7202 | 2702 | const char *, EMACS_INT, EMACS_INT, int); |
ae19ba7c | 2703 | extern void syms_of_insdel (void); |
c98adc1b | 2704 | |
1747fb16 | 2705 | /* Defined in dispnew.c */ |
37b793e6 | 2706 | extern Lisp_Object selected_frame; |
7684e57b | 2707 | extern Lisp_Object Vwindow_system; |
2f69f2ec | 2708 | EXFUN (Fding, 1); |
f5969ae9 | 2709 | EXFUN (Fredraw_frame, 1); |
2f69f2ec | 2710 | EXFUN (Fsleep_for, 2); |
ab9b1db5 | 2711 | EXFUN (Fredisplay, 1); |
383e0970 J |
2712 | extern Lisp_Object sit_for (Lisp_Object, int, int); |
2713 | extern void init_display (void); | |
2714 | extern void syms_of_display (void); | |
1747fb16 | 2715 | |
c98adc1b | 2716 | /* Defined in xdisp.c */ |
c6ae41f3 | 2717 | extern Lisp_Object Qinhibit_point_motion_hooks; |
016c7a15 | 2718 | extern Lisp_Object Qinhibit_redisplay, Qdisplay; |
99f3388e | 2719 | extern Lisp_Object Qmenu_bar_update_hook; |
29208e82 | 2720 | extern Lisp_Object Qwindow_scroll_functions; |
99f3388e | 2721 | extern Lisp_Object Qoverriding_local_map, Qoverriding_terminal_local_map; |
8a52f00a | 2722 | extern Lisp_Object Qimage, Qtext, Qboth, Qboth_horiz, Qtext_image_horiz; |
89dc303e | 2723 | extern Lisp_Object Qspace, Qcenter, QCalign_to; |
99f3388e DN |
2724 | extern Lisp_Object Qbar, Qhbar, Qbox, Qhollow; |
2725 | extern Lisp_Object Qleft_margin, Qright_margin; | |
b932f8b1 | 2726 | extern Lisp_Object Qglyphless_char; |
89dc303e | 2727 | extern Lisp_Object QCdata, QCfile; |
99f3388e | 2728 | extern Lisp_Object QCmap; |
e6cba650 | 2729 | extern Lisp_Object Qrisky_local_variable; |
b932f8b1 DN |
2730 | extern struct frame *last_glyphless_glyph_frame; |
2731 | extern unsigned last_glyphless_glyph_face_id; | |
2732 | extern int last_glyphless_glyph_merged_face_id; | |
99f3388e | 2733 | extern int noninteractive_need_newline; |
986113df | 2734 | extern Lisp_Object echo_area_buffer[2]; |
89dc303e | 2735 | extern void add_to_log (const char *, Lisp_Object, Lisp_Object); |
383e0970 J |
2736 | extern void check_message_stack (void); |
2737 | extern void setup_echo_area_for_printing (int); | |
2738 | extern int push_message (void); | |
2739 | extern Lisp_Object pop_message_unwind (Lisp_Object); | |
2740 | extern Lisp_Object restore_message_unwind (Lisp_Object); | |
383e0970 J |
2741 | extern void restore_message (void); |
2742 | extern Lisp_Object current_message (void); | |
383e0970 | 2743 | extern void clear_message (int, int); |
1e973bc7 | 2744 | extern void message (const char *, ...) ATTRIBUTE_FORMAT_PRINTF (1, 2); |
a8fe7202 AS |
2745 | extern void message1 (const char *); |
2746 | extern void message1_nolog (const char *); | |
d585695f EZ |
2747 | extern void message2 (const char *, EMACS_INT, int); |
2748 | extern void message2_nolog (const char *, EMACS_INT, int); | |
2749 | extern void message3 (Lisp_Object, EMACS_INT, int); | |
2750 | extern void message3_nolog (Lisp_Object, EMACS_INT, int); | |
db063399 | 2751 | extern void message_dolog (const char *, EMACS_INT, int, int); |
a8fe7202 | 2752 | extern void message_with_string (const char *, Lisp_Object, int); |
383e0970 J |
2753 | extern void message_log_maybe_newline (void); |
2754 | extern void update_echo_area (void); | |
41118bd3 | 2755 | extern void truncate_echo_area (EMACS_INT); |
383e0970 | 2756 | extern void redisplay (void); |
383e0970 J |
2757 | extern void redisplay_preserve_echo_area (int); |
2758 | extern void prepare_menu_bars (void); | |
c4bf5bc3 | 2759 | |
383e0970 J |
2760 | void set_frame_cursor_types (struct frame *, Lisp_Object); |
2761 | extern void syms_of_xdisp (void); | |
2762 | extern void init_xdisp (void); | |
2763 | extern Lisp_Object safe_eval (Lisp_Object); | |
d585695f | 2764 | extern int pos_visible_p (struct window *, EMACS_INT, int *, |
383e0970 | 2765 | int *, int *, int *, int *, int *); |
c98adc1b | 2766 | |
637fa988 | 2767 | /* Defined in xsettings.c */ |
383e0970 | 2768 | extern void syms_of_xsettings (void); |
637fa988 | 2769 | |
15b0ced5 | 2770 | /* Defined in vm-limit.c. */ |
a8fe7202 | 2771 | extern void memory_warnings (POINTER_TYPE *, void (*warnfun) (const char *)); |
9043c90a | 2772 | |
3cfe6dfd | 2773 | /* Defined in alloc.c */ |
383e0970 | 2774 | extern void check_pure_size (void); |
413d18e7 | 2775 | extern void allocate_string_data (struct Lisp_String *, EMACS_INT, EMACS_INT); |
383e0970 J |
2776 | extern void reset_malloc_hooks (void); |
2777 | extern void uninterrupt_malloc (void); | |
a8fe7202 | 2778 | extern void malloc_warning (const char *); |
531b0165 PE |
2779 | extern void memory_full (size_t) NO_RETURN; |
2780 | extern void buffer_memory_full (EMACS_INT) NO_RETURN; | |
383e0970 J |
2781 | extern int survives_gc_p (Lisp_Object); |
2782 | extern void mark_object (Lisp_Object); | |
69003fd8 | 2783 | #if defined REL_ALLOC && !defined SYSTEM_MALLOC |
84dfc8a7 | 2784 | extern void refill_memory_reserve (void); |
69003fd8 | 2785 | #endif |
50c77428 | 2786 | extern const char *pending_malloc_warning; |
89dc303e | 2787 | extern Lisp_Object *stack_base; |
2f69f2ec | 2788 | EXFUN (Fcons, 2); |
2f7c71a1 AS |
2789 | extern Lisp_Object list1 (Lisp_Object); |
2790 | extern Lisp_Object list2 (Lisp_Object, Lisp_Object); | |
2791 | extern Lisp_Object list3 (Lisp_Object, Lisp_Object, Lisp_Object); | |
2792 | extern Lisp_Object list4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2793 | extern Lisp_Object list5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, | |
2794 | Lisp_Object); | |
2f69f2ec RS |
2795 | EXFUN (Flist, MANY); |
2796 | EXFUN (Fmake_list, 2); | |
383e0970 | 2797 | extern Lisp_Object allocate_misc (void); |
2f69f2ec RS |
2798 | EXFUN (Fmake_vector, 2); |
2799 | EXFUN (Fvector, MANY); | |
2800 | EXFUN (Fmake_symbol, 1); | |
2801 | EXFUN (Fmake_marker, 0); | |
cb93f9be | 2802 | extern void string_overflow (void) NO_RETURN; |
2f69f2ec | 2803 | EXFUN (Fmake_string, 2); |
383e0970 | 2804 | extern Lisp_Object build_string (const char *); |
14162469 EZ |
2805 | extern Lisp_Object make_string (const char *, EMACS_INT); |
2806 | extern Lisp_Object make_unibyte_string (const char *, EMACS_INT); | |
2807 | extern Lisp_Object make_multibyte_string (const char *, EMACS_INT, EMACS_INT); | |
383e0970 | 2808 | extern Lisp_Object make_event_array (int, Lisp_Object *); |
413d18e7 EZ |
2809 | extern Lisp_Object make_uninit_string (EMACS_INT); |
2810 | extern Lisp_Object make_uninit_multibyte_string (EMACS_INT, EMACS_INT); | |
14162469 EZ |
2811 | extern Lisp_Object make_string_from_bytes (const char *, EMACS_INT, EMACS_INT); |
2812 | extern Lisp_Object make_specified_string (const char *, | |
2813 | EMACS_INT, EMACS_INT, int); | |
2f69f2ec | 2814 | EXFUN (Fpurecopy, 1); |
14162469 | 2815 | extern Lisp_Object make_pure_string (const char *, EMACS_INT, EMACS_INT, int); |
5e2327cf | 2816 | extern Lisp_Object make_pure_c_string (const char *data); |
383e0970 J |
2817 | extern Lisp_Object pure_cons (Lisp_Object, Lisp_Object); |
2818 | extern Lisp_Object make_pure_vector (EMACS_INT); | |
2f69f2ec RS |
2819 | EXFUN (Fgarbage_collect, 0); |
2820 | EXFUN (Fmake_byte_code, MANY); | |
2821 | EXFUN (Fmake_bool_vector, 2); | |
7f73dc9d | 2822 | extern Lisp_Object Qchar_table_extra_slots; |
383e0970 J |
2823 | extern struct Lisp_Vector *allocate_vector (EMACS_INT); |
2824 | extern struct Lisp_Vector *allocate_pseudovector (int memlen, int lisplen, EMACS_INT tag); | |
30f95089 SM |
2825 | #define ALLOCATE_PSEUDOVECTOR(typ,field,tag) \ |
2826 | ((typ*) \ | |
2827 | allocate_pseudovector \ | |
2828 | (VECSIZE (typ), PSEUDOVECSIZE (typ, field), tag)) | |
383e0970 J |
2829 | extern struct Lisp_Hash_Table *allocate_hash_table (void); |
2830 | extern struct window *allocate_window (void); | |
2831 | extern struct frame *allocate_frame (void); | |
2832 | extern struct Lisp_Process *allocate_process (void); | |
2833 | extern struct terminal *allocate_terminal (void); | |
4d57802e | 2834 | extern int gc_in_progress; |
95684592 | 2835 | extern int abort_on_gc; |
383e0970 J |
2836 | extern Lisp_Object make_float (double); |
2837 | extern void display_malloc_warning (void); | |
2838 | extern int inhibit_garbage_collection (void); | |
9c4c5f81 | 2839 | extern Lisp_Object make_save_value (void *, ptrdiff_t); |
383e0970 J |
2840 | extern void free_marker (Lisp_Object); |
2841 | extern void free_cons (struct Lisp_Cons *); | |
2842 | extern void init_alloc_once (void); | |
2843 | extern void init_alloc (void); | |
2844 | extern void syms_of_alloc (void); | |
2845 | extern struct buffer * allocate_buffer (void); | |
2846 | extern int valid_lisp_object_p (Lisp_Object); | |
3cfe6dfd | 2847 | |
1842abb2 KH |
2848 | /* Defined in chartab.c */ |
2849 | EXFUN (Fmake_char_table, 2); | |
1842abb2 KH |
2850 | EXFUN (Fset_char_table_parent, 2); |
2851 | EXFUN (Fchar_table_extra_slot, 2); | |
2852 | EXFUN (Fset_char_table_extra_slot, 3); | |
1842abb2 | 2853 | EXFUN (Fset_char_table_range, 3); |
d0827857 | 2854 | EXFUN (Foptimize_char_table, 2); |
383e0970 | 2855 | extern Lisp_Object copy_char_table (Lisp_Object); |
383e0970 J |
2856 | extern Lisp_Object char_table_ref (Lisp_Object, int); |
2857 | extern Lisp_Object char_table_ref_and_range (Lisp_Object, int, | |
2858 | int *, int *); | |
2859 | extern Lisp_Object char_table_set (Lisp_Object, int, Lisp_Object); | |
2860 | extern Lisp_Object char_table_set_range (Lisp_Object, int, int, | |
2861 | Lisp_Object); | |
2862 | extern int char_table_translate (Lisp_Object, int); | |
2863 | extern void map_char_table (void (*) (Lisp_Object, Lisp_Object, | |
2864 | Lisp_Object), | |
2865 | Lisp_Object, Lisp_Object, Lisp_Object); | |
e6cba650 DN |
2866 | extern void map_char_table_for_charset (void (*c_function) (Lisp_Object, Lisp_Object), |
2867 | Lisp_Object, Lisp_Object, | |
2868 | Lisp_Object, struct charset *, | |
2869 | unsigned, unsigned); | |
5cc7f7af | 2870 | extern Lisp_Object uniprop_table (Lisp_Object); |
383e0970 | 2871 | extern void syms_of_chartab (void); |
1842abb2 | 2872 | |
3cfe6dfd JB |
2873 | /* Defined in print.c */ |
2874 | extern Lisp_Object Vprin1_to_string_buffer; | |
42c8bc9b | 2875 | extern void debug_print (Lisp_Object) EXTERNALLY_VISIBLE; |
2f69f2ec RS |
2876 | EXFUN (Fprin1, 2); |
2877 | EXFUN (Fprin1_to_string, 2); | |
2f69f2ec RS |
2878 | EXFUN (Fterpri, 1); |
2879 | EXFUN (Fprint, 2); | |
2880 | EXFUN (Ferror_message_string, 1); | |
29208e82 | 2881 | extern Lisp_Object Qstandard_output; |
9453ea7b | 2882 | extern Lisp_Object Qexternal_debugging_output; |
383e0970 | 2883 | extern void temp_output_buffer_setup (const char *); |
29208e82 | 2884 | extern int print_level; |
3cfe6dfd | 2885 | extern Lisp_Object Qprint_escape_newlines; |
a8fe7202 | 2886 | extern void write_string (const char *, int); |
a8fe7202 AS |
2887 | extern void print_error_message (Lisp_Object, Lisp_Object, const char *, |
2888 | Lisp_Object); | |
526a2be7 | 2889 | extern Lisp_Object internal_with_output_to_temp_buffer |
383e0970 | 2890 | (const char *, Lisp_Object (*) (Lisp_Object), Lisp_Object); |
6e8e6bf2 | 2891 | #define FLOAT_TO_STRING_BUFSIZE 350 |
57ace6d0 | 2892 | extern void float_to_string (char *, double); |
383e0970 | 2893 | extern void syms_of_print (void); |
526a2be7 | 2894 | |
e6c3da20 | 2895 | /* Defined in doprnt.c */ |
c2d1e36d PE |
2896 | extern ptrdiff_t doprnt (char *, ptrdiff_t, const char *, const char *, |
2897 | va_list); | |
e6c3da20 | 2898 | |
ea6c7ae6 | 2899 | /* Defined in lread.c. */ |
3cfe6dfd | 2900 | extern Lisp_Object Qvariable_documentation, Qstandard_input; |
99f3388e | 2901 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; |
2f69f2ec RS |
2902 | EXFUN (Fread, 1); |
2903 | EXFUN (Fread_from_string, 3); | |
2904 | EXFUN (Fintern, 2); | |
2905 | EXFUN (Fintern_soft, 2); | |
16a97296 | 2906 | EXFUN (Funintern, 2); |
5d8c7983 | 2907 | EXFUN (Fload, 5); |
3ceb69d9 | 2908 | EXFUN (Fget_load_suffixes, 0); |
0601ad0f CY |
2909 | EXFUN (Fread_char, 3); |
2910 | EXFUN (Fread_event, 3); | |
383e0970 J |
2911 | extern Lisp_Object check_obarray (Lisp_Object); |
2912 | extern Lisp_Object intern (const char *); | |
5e2327cf | 2913 | extern Lisp_Object intern_c_string (const char *); |
40283062 | 2914 | extern Lisp_Object oblookup (Lisp_Object, const char *, EMACS_INT, EMACS_INT); |
c5e3de70 | 2915 | #define LOADHIST_ATTACH(x) \ |
d6d23852 SM |
2916 | do { \ |
2917 | if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list); \ | |
2918 | } while (0) | |
383e0970 J |
2919 | extern int openp (Lisp_Object, Lisp_Object, Lisp_Object, |
2920 | Lisp_Object *, Lisp_Object); | |
452f4150 | 2921 | Lisp_Object string_to_number (char const *, int, int); |
383e0970 J |
2922 | extern void map_obarray (Lisp_Object, void (*) (Lisp_Object, Lisp_Object), |
2923 | Lisp_Object); | |
a8fe7202 | 2924 | extern void dir_warning (const char *, Lisp_Object); |
383e0970 J |
2925 | extern void close_load_descs (void); |
2926 | extern void init_obarray (void); | |
2927 | extern void init_lread (void); | |
2928 | extern void syms_of_lread (void); | |
3cfe6dfd | 2929 | |
f6d62986 | 2930 | /* Defined in eval.c. */ |
3cfe6dfd | 2931 | extern Lisp_Object Qautoload, Qexit, Qinteractive, Qcommandp, Qdefun, Qmacro; |
ed008a6d | 2932 | extern Lisp_Object Qinhibit_quit, Qclosure; |
955cbe7b | 2933 | extern Lisp_Object Qand_rest; |
3cfe6dfd | 2934 | extern Lisp_Object Vautoload_queue; |
fab88cb7 | 2935 | extern Lisp_Object Vsignaling_function; |
21c5a64e | 2936 | extern int handling_signal; |
244ed907 PE |
2937 | #if BYTE_MARK_STACK |
2938 | extern struct catchtag *catchlist; | |
2939 | extern struct handler *handlerlist; | |
2940 | #endif | |
f1b6e5fc SM |
2941 | /* To run a normal hook, use the appropriate function from the list below. |
2942 | The calling convention: | |
2943 | ||
846d69ac | 2944 | if (!NILP (Vrun_hooks)) |
f1b6e5fc SM |
2945 | call1 (Vrun_hooks, Qmy_funny_hook); |
2946 | ||
2947 | should no longer be used. */ | |
3cfe6dfd | 2948 | extern Lisp_Object Vrun_hooks; |
2f69f2ec RS |
2949 | EXFUN (Frun_hooks, MANY); |
2950 | EXFUN (Frun_hook_with_args, MANY); | |
2f69f2ec | 2951 | EXFUN (Frun_hook_with_args_until_failure, MANY); |
383e0970 | 2952 | extern void run_hook_with_args_2 (Lisp_Object, Lisp_Object, Lisp_Object); |
f66c7cf8 | 2953 | extern Lisp_Object run_hook_with_args (ptrdiff_t nargs, Lisp_Object *args, |
f6d62986 | 2954 | Lisp_Object (*funcall) |
f66c7cf8 | 2955 | (ptrdiff_t nargs, Lisp_Object *args)); |
2f69f2ec | 2956 | EXFUN (Fprogn, UNEVALLED); |
2f69f2ec | 2957 | EXFUN (Finteractive_p, 0); |
fca99116 | 2958 | EXFUN (Fthrow, 2) NO_RETURN; |
834168ef | 2959 | EXFUN (Fsignal, 2); |
383e0970 J |
2960 | extern void xsignal (Lisp_Object, Lisp_Object) NO_RETURN; |
2961 | extern void xsignal0 (Lisp_Object) NO_RETURN; | |
2962 | extern void xsignal1 (Lisp_Object, Lisp_Object) NO_RETURN; | |
2963 | extern void xsignal2 (Lisp_Object, Lisp_Object, Lisp_Object) NO_RETURN; | |
2964 | extern void xsignal3 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) NO_RETURN; | |
a8fe7202 | 2965 | extern void signal_error (const char *, Lisp_Object) NO_RETURN; |
2a4d03b8 | 2966 | EXFUN (Fcommandp, 2); |
ca105506 | 2967 | EXFUN (Ffunctionp, 1); |
a0ee6f27 | 2968 | EXFUN (Feval, 2); |
defb1411 | 2969 | extern Lisp_Object eval_sub (Lisp_Object form); |
2f69f2ec RS |
2970 | EXFUN (Fapply, MANY); |
2971 | EXFUN (Ffuncall, MANY); | |
383e0970 J |
2972 | extern Lisp_Object apply1 (Lisp_Object, Lisp_Object); |
2973 | extern Lisp_Object call0 (Lisp_Object); | |
2974 | extern Lisp_Object call1 (Lisp_Object, Lisp_Object); | |
2975 | extern Lisp_Object call2 (Lisp_Object, Lisp_Object, Lisp_Object); | |
2976 | extern Lisp_Object call3 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2977 | extern Lisp_Object call4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2978 | extern Lisp_Object call5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2979 | extern Lisp_Object call6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2980 | extern Lisp_Object call7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2f69f2ec | 2981 | EXFUN (Fdo_auto_save, 2); |
383e0970 J |
2982 | extern Lisp_Object internal_catch (Lisp_Object, Lisp_Object (*) (Lisp_Object), Lisp_Object); |
2983 | extern Lisp_Object internal_lisp_condition_case (Lisp_Object, Lisp_Object, Lisp_Object); | |
2984 | extern Lisp_Object internal_condition_case (Lisp_Object (*) (void), Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
2985 | extern Lisp_Object internal_condition_case_1 (Lisp_Object (*) (Lisp_Object), Lisp_Object, Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
2986 | extern Lisp_Object internal_condition_case_2 (Lisp_Object (*) (Lisp_Object, Lisp_Object), Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
f66c7cf8 | 2987 | extern Lisp_Object internal_condition_case_n (Lisp_Object (*) (ptrdiff_t, Lisp_Object *), ptrdiff_t, Lisp_Object *, Lisp_Object, Lisp_Object (*) (Lisp_Object)); |
383e0970 J |
2988 | extern void specbind (Lisp_Object, Lisp_Object); |
2989 | extern void record_unwind_protect (Lisp_Object (*) (Lisp_Object), Lisp_Object); | |
2990 | extern Lisp_Object unbind_to (int, Lisp_Object); | |
5fdb398c PE |
2991 | extern void error (const char *, ...) NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 2); |
2992 | extern void verror (const char *, va_list) | |
2993 | NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 0); | |
383e0970 J |
2994 | extern void do_autoload (Lisp_Object, Lisp_Object); |
2995 | extern Lisp_Object un_autoload (Lisp_Object); | |
383e0970 | 2996 | extern void init_eval_once (void); |
f66c7cf8 | 2997 | extern Lisp_Object safe_call (ptrdiff_t, Lisp_Object *); |
383e0970 | 2998 | extern Lisp_Object safe_call1 (Lisp_Object, Lisp_Object); |
58555d81 | 2999 | extern Lisp_Object safe_call2 (Lisp_Object, Lisp_Object, Lisp_Object); |
383e0970 | 3000 | extern void init_eval (void); |
244ed907 | 3001 | #if BYTE_MARK_STACK |
8b2c52e9 | 3002 | extern void mark_backtrace (void); |
244ed907 | 3003 | #endif |
383e0970 | 3004 | extern void syms_of_eval (void); |
3cfe6dfd | 3005 | |
a2928364 | 3006 | /* Defined in editfns.c */ |
e6cba650 | 3007 | extern Lisp_Object Qfield; |
986113df | 3008 | EXFUN (Fcurrent_message, 0); |
2f69f2ec | 3009 | EXFUN (Fgoto_char, 1); |
2f69f2ec | 3010 | EXFUN (Fpoint_max_marker, 0); |
2f69f2ec RS |
3011 | EXFUN (Fpoint, 0); |
3012 | EXFUN (Fpoint_marker, 0); | |
2f69f2ec RS |
3013 | EXFUN (Fline_beginning_position, 1); |
3014 | EXFUN (Fline_end_position, 1); | |
3015 | EXFUN (Ffollowing_char, 0); | |
3016 | EXFUN (Fprevious_char, 0); | |
3017 | EXFUN (Fchar_after, 1); | |
3018 | EXFUN (Finsert, MANY); | |
2f69f2ec | 3019 | EXFUN (Finsert_char, 3); |
383e0970 | 3020 | extern void insert1 (Lisp_Object); |
2f69f2ec RS |
3021 | EXFUN (Feolp, 0); |
3022 | EXFUN (Feobp, 0); | |
3023 | EXFUN (Fbolp, 0); | |
3024 | EXFUN (Fbobp, 0); | |
3025 | EXFUN (Fformat, MANY); | |
5010d3b8 | 3026 | EXFUN (Fmessage, MANY); |
a8fe7202 | 3027 | extern Lisp_Object format2 (const char *, Lisp_Object, Lisp_Object); |
2f69f2ec RS |
3028 | EXFUN (Fbuffer_substring, 2); |
3029 | EXFUN (Fbuffer_string, 0); | |
383e0970 J |
3030 | extern Lisp_Object save_excursion_save (void); |
3031 | extern Lisp_Object save_restriction_save (void); | |
3032 | extern Lisp_Object save_excursion_restore (Lisp_Object); | |
3033 | extern Lisp_Object save_restriction_restore (Lisp_Object); | |
2f69f2ec RS |
3034 | EXFUN (Fchar_to_string, 1); |
3035 | EXFUN (Fdelete_region, 2); | |
3036 | EXFUN (Fnarrow_to_region, 2); | |
3037 | EXFUN (Fwiden, 0); | |
3038 | EXFUN (Fuser_login_name, 1); | |
3039 | EXFUN (Fsystem_name, 0); | |
f5969ae9 | 3040 | EXFUN (Fcurrent_time, 0); |
16a97296 | 3041 | EXFUN (Fget_internal_run_time, 0); |
fe3537c3 | 3042 | extern EMACS_INT clip_to_bounds (EMACS_INT, EMACS_INT, EMACS_INT); |
413d18e7 EZ |
3043 | extern Lisp_Object make_buffer_string (EMACS_INT, EMACS_INT, int); |
3044 | extern Lisp_Object make_buffer_string_both (EMACS_INT, EMACS_INT, EMACS_INT, | |
3045 | EMACS_INT, int); | |
383e0970 | 3046 | extern void init_editfns (void); |
a2928364 | 3047 | const char *get_system_name (void); |
383e0970 | 3048 | extern void syms_of_editfns (void); |
8d0941fa | 3049 | EXFUN (Fconstrain_to_field, 5); |
89512fcd | 3050 | EXFUN (Ffield_end, 3); |
a8fe7202 | 3051 | extern void set_time_zone_rule (const char *); |
3cfe6dfd | 3052 | |
78edd3b7 | 3053 | /* Defined in buffer.c */ |
383e0970 J |
3054 | extern int mouse_face_overlay_overlaps (Lisp_Object); |
3055 | extern void nsberror (Lisp_Object) NO_RETURN; | |
986113df | 3056 | EXFUN (Fset_buffer_multibyte, 1); |
2f69f2ec RS |
3057 | EXFUN (Foverlay_start, 1); |
3058 | EXFUN (Foverlay_end, 1); | |
383e0970 J |
3059 | extern void adjust_overlays_for_insert (EMACS_INT, EMACS_INT); |
3060 | extern void adjust_overlays_for_delete (EMACS_INT, EMACS_INT); | |
145582a0 | 3061 | extern void fix_start_end_in_overlays (EMACS_INT, EMACS_INT); |
383e0970 J |
3062 | extern void report_overlay_modification (Lisp_Object, Lisp_Object, int, |
3063 | Lisp_Object, Lisp_Object, Lisp_Object); | |
145582a0 | 3064 | extern int overlay_touches_p (EMACS_INT); |
29208e82 | 3065 | extern Lisp_Object Vbuffer_alist; |
2f69f2ec RS |
3066 | EXFUN (Fget_buffer, 1); |
3067 | EXFUN (Fget_buffer_create, 1); | |
941caafe | 3068 | EXFUN (Fgenerate_new_buffer_name, 2); |
2f69f2ec | 3069 | EXFUN (Fset_buffer, 1); |
2f7c71a1 | 3070 | extern Lisp_Object set_buffer_if_live (Lisp_Object); |
2f69f2ec RS |
3071 | EXFUN (Fbarf_if_buffer_read_only, 0); |
3072 | EXFUN (Fcurrent_buffer, 0); | |
dbe7f1ef | 3073 | EXFUN (Fother_buffer, 3); |
9397e56f | 3074 | extern Lisp_Object other_buffer_safely (Lisp_Object); |
2f69f2ec RS |
3075 | EXFUN (Foverlay_get, 2); |
3076 | EXFUN (Fbuffer_modified_p, 1); | |
3077 | EXFUN (Fset_buffer_modified_p, 1); | |
3078 | EXFUN (Fkill_buffer, 1); | |
3079 | EXFUN (Fkill_all_local_variables, 0); | |
2f69f2ec RS |
3080 | EXFUN (Fbuffer_enable_undo, 1); |
3081 | EXFUN (Ferase_buffer, 0); | |
955cbe7b | 3082 | extern Lisp_Object Qpriority, Qwindow, Qbefore_string, Qafter_string; |
383e0970 | 3083 | extern Lisp_Object get_truename_buffer (Lisp_Object); |
3cfe6dfd | 3084 | extern struct buffer *all_buffers; |
2f69f2ec | 3085 | EXFUN (Fprevious_overlay_change, 1); |
d7935eb6 | 3086 | EXFUN (Fbuffer_file_name, 1); |
383e0970 J |
3087 | extern void init_buffer_once (void); |
3088 | extern void init_buffer (void); | |
3089 | extern void syms_of_buffer (void); | |
3090 | extern void keys_of_buffer (void); | |
3cfe6dfd | 3091 | |
78edd3b7 | 3092 | /* Defined in marker.c */ |
3cfe6dfd | 3093 | |
2f69f2ec RS |
3094 | EXFUN (Fmarker_position, 1); |
3095 | EXFUN (Fmarker_buffer, 1); | |
3096 | EXFUN (Fcopy_marker, 2); | |
3097 | EXFUN (Fset_marker, 3); | |
0350982f LMI |
3098 | extern EMACS_INT marker_position (Lisp_Object); |
3099 | extern EMACS_INT marker_byte_position (Lisp_Object); | |
383e0970 | 3100 | extern void clear_charpos_cache (struct buffer *); |
0350982f LMI |
3101 | extern EMACS_INT charpos_to_bytepos (EMACS_INT); |
3102 | extern EMACS_INT buf_charpos_to_bytepos (struct buffer *, EMACS_INT); | |
3103 | extern EMACS_INT buf_bytepos_to_charpos (struct buffer *, EMACS_INT); | |
383e0970 J |
3104 | extern void unchain_marker (struct Lisp_Marker *marker); |
3105 | extern Lisp_Object set_marker_restricted (Lisp_Object, Lisp_Object, Lisp_Object); | |
0350982f | 3106 | extern Lisp_Object set_marker_both (Lisp_Object, Lisp_Object, EMACS_INT, EMACS_INT); |
383e0970 | 3107 | extern Lisp_Object set_marker_restricted_both (Lisp_Object, Lisp_Object, |
0350982f | 3108 | EMACS_INT, EMACS_INT); |
383e0970 | 3109 | extern void syms_of_marker (void); |
3cfe6dfd JB |
3110 | |
3111 | /* Defined in fileio.c */ | |
3112 | ||
3113 | extern Lisp_Object Qfile_error; | |
99f3388e | 3114 | extern Lisp_Object Qfile_exists_p; |
e6cba650 DN |
3115 | extern Lisp_Object Qfile_directory_p; |
3116 | extern Lisp_Object Qinsert_file_contents; | |
7684e57b | 3117 | extern Lisp_Object Qfile_name_history; |
2f69f2ec RS |
3118 | EXFUN (Ffind_file_name_handler, 2); |
3119 | EXFUN (Ffile_name_as_directory, 1); | |
3120 | EXFUN (Fexpand_file_name, 2); | |
3121 | EXFUN (Ffile_name_nondirectory, 1); | |
3122 | EXFUN (Fsubstitute_in_file_name, 1); | |
3123 | EXFUN (Ffile_symlink_p, 1); | |
3124 | EXFUN (Fverify_visited_file_modtime, 1); | |
3125 | EXFUN (Ffile_exists_p, 1); | |
3126 | EXFUN (Ffile_name_absolute_p, 1); | |
3127 | EXFUN (Fdirectory_file_name, 1); | |
3128 | EXFUN (Ffile_name_directory, 1); | |
383e0970 | 3129 | extern Lisp_Object expand_and_dir_to_file (Lisp_Object, Lisp_Object); |
2f69f2ec RS |
3130 | EXFUN (Ffile_accessible_directory_p, 1); |
3131 | EXFUN (Funhandled_file_name_directory, 1); | |
3132 | EXFUN (Ffile_directory_p, 1); | |
b4e187e2 | 3133 | EXFUN (Fwrite_region, 7); |
2f69f2ec | 3134 | EXFUN (Ffile_readable_p, 1); |
fda1acc5 | 3135 | EXFUN (Fread_file_name, 6); |
383e0970 J |
3136 | extern Lisp_Object close_file_unwind (Lisp_Object); |
3137 | extern Lisp_Object restore_point_unwind (Lisp_Object); | |
3138 | extern void report_file_error (const char *, Lisp_Object) NO_RETURN; | |
3139 | extern int internal_delete_file (Lisp_Object); | |
3140 | extern void syms_of_fileio (void); | |
3141 | extern Lisp_Object make_temp_name (Lisp_Object, int); | |
b86cfd28 | 3142 | extern Lisp_Object Qdelete_file; |
3cfe6dfd JB |
3143 | |
3144 | /* Defined in abbrev.c */ | |
3145 | ||
383e0970 | 3146 | extern void syms_of_abbrev (void); |
3cfe6dfd | 3147 | |
78edd3b7 | 3148 | /* Defined in search.c */ |
383e0970 | 3149 | extern void shrink_regexp_cache (void); |
2f69f2ec | 3150 | EXFUN (Fstring_match, 3); |
383e0970 | 3151 | extern void restore_search_regs (void); |
5fe2b5a5 KS |
3152 | EXFUN (Fmatch_data, 3); |
3153 | EXFUN (Fset_match_data, 2); | |
2f69f2ec RS |
3154 | EXFUN (Fmatch_beginning, 1); |
3155 | EXFUN (Fmatch_end, 1); | |
383e0970 | 3156 | extern void record_unwind_save_match_data (void); |
dbd37a95 PE |
3157 | struct re_registers; |
3158 | extern struct re_pattern_buffer *compile_pattern (Lisp_Object, | |
3159 | struct re_registers *, | |
3160 | Lisp_Object, int, int); | |
a53e2e89 EZ |
3161 | extern EMACS_INT fast_string_match (Lisp_Object, Lisp_Object); |
3162 | extern EMACS_INT fast_c_string_match_ignore_case (Lisp_Object, const char *); | |
3163 | extern EMACS_INT fast_string_match_ignore_case (Lisp_Object, Lisp_Object); | |
383e0970 J |
3164 | extern EMACS_INT fast_looking_at (Lisp_Object, EMACS_INT, EMACS_INT, |
3165 | EMACS_INT, EMACS_INT, Lisp_Object); | |
c098fdb8 | 3166 | extern EMACS_INT scan_buffer (int, EMACS_INT, EMACS_INT, EMACS_INT, |
a53e2e89 | 3167 | EMACS_INT *, int); |
c098fdb8 EZ |
3168 | extern EMACS_INT scan_newline (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, |
3169 | EMACS_INT, int); | |
3170 | extern EMACS_INT find_next_newline (EMACS_INT, int); | |
3171 | extern EMACS_INT find_next_newline_no_quit (EMACS_INT, EMACS_INT); | |
3172 | extern EMACS_INT find_before_next_newline (EMACS_INT, EMACS_INT, EMACS_INT); | |
383e0970 J |
3173 | extern void syms_of_search (void); |
3174 | extern void clear_regexp_cache (void); | |
3cfe6dfd | 3175 | |
78edd3b7 | 3176 | /* Defined in minibuf.c */ |
3cfe6dfd | 3177 | |
e6cba650 | 3178 | extern Lisp_Object Qcompletion_ignore_case; |
99f3388e | 3179 | extern Lisp_Object Vminibuffer_list; |
3cfe6dfd | 3180 | extern Lisp_Object last_minibuf_string; |
5593f7e3 | 3181 | EXFUN (Fcompleting_read, 8); |
2c960667 | 3182 | EXFUN (Fread_from_minibuffer, 7); |
2f69f2ec RS |
3183 | EXFUN (Fread_variable, 2); |
3184 | EXFUN (Fread_buffer, 3); | |
3185 | EXFUN (Fread_minibuffer, 2); | |
3186 | EXFUN (Feval_minibuffer, 2); | |
5593f7e3 | 3187 | EXFUN (Fread_string, 5); |
f85064bd | 3188 | EXFUN (Fassoc_string, 3); |
383e0970 | 3189 | extern Lisp_Object get_minibuffer (int); |
383e0970 J |
3190 | extern void init_minibuf_once (void); |
3191 | extern void syms_of_minibuf (void); | |
3cfe6dfd JB |
3192 | |
3193 | /* Defined in callint.c */ | |
3194 | ||
29208e82 | 3195 | extern Lisp_Object Qminus, Qplus; |
99f3388e | 3196 | extern Lisp_Object Qwhen; |
7fd61057 | 3197 | extern Lisp_Object Qcall_interactively, Qmouse_leave_buffer_hook; |
2f69f2ec | 3198 | EXFUN (Fprefix_numeric_value, 1); |
383e0970 | 3199 | extern void syms_of_callint (void); |
3cfe6dfd | 3200 | |
78edd3b7 | 3201 | /* Defined in casefiddle.c */ |
3cfe6dfd | 3202 | |
99f3388e | 3203 | extern Lisp_Object Qidentity; |
2f69f2ec RS |
3204 | EXFUN (Fdowncase, 1); |
3205 | EXFUN (Fupcase, 1); | |
2f69f2ec RS |
3206 | EXFUN (Fupcase_region, 2); |
3207 | EXFUN (Fupcase_initials, 1); | |
3208 | EXFUN (Fupcase_initials_region, 2); | |
383e0970 J |
3209 | extern void syms_of_casefiddle (void); |
3210 | extern void keys_of_casefiddle (void); | |
3cfe6dfd | 3211 | |
78edd3b7 | 3212 | /* Defined in casetab.c */ |
1747fb16 | 3213 | |
2f69f2ec RS |
3214 | EXFUN (Fset_case_table, 1); |
3215 | EXFUN (Fset_standard_case_table, 1); | |
383e0970 J |
3216 | extern void init_casetab_once (void); |
3217 | extern void syms_of_casetab (void); | |
1747fb16 | 3218 | |
78edd3b7 | 3219 | /* Defined in keyboard.c */ |
3cfe6dfd | 3220 | |
54cd1651 | 3221 | extern Lisp_Object echo_message_buffer; |
417750de | 3222 | extern struct kboard *echo_kboard; |
383e0970 | 3223 | extern void cancel_echoing (void); |
1425dcb6 | 3224 | extern Lisp_Object Qdisabled, QCfilter; |
955cbe7b PE |
3225 | extern Lisp_Object Qup, Qdown, Qbottom; |
3226 | extern Lisp_Object Qtop; | |
8e7bd231 | 3227 | extern int input_pending; |
2f69f2ec RS |
3228 | EXFUN (Fdiscard_input, 0); |
3229 | EXFUN (Frecursive_edit, 0); | |
ccaf0336 | 3230 | EXFUN (Ftop_level, 0) NO_RETURN; |
383e0970 J |
3231 | extern Lisp_Object menu_bar_items (Lisp_Object); |
3232 | extern Lisp_Object tool_bar_items (Lisp_Object, int *); | |
383e0970 | 3233 | extern void discard_mouse_events (void); |
2f69f2ec | 3234 | EXFUN (Fevent_convert_list, 1); |
e271fdb3 | 3235 | EXFUN (Fread_key_sequence, 5); |
a712a8c3 | 3236 | EXFUN (Fset_input_interrupt_mode, 1); |
526a2be7 | 3237 | EXFUN (Fset_input_mode, 4); |
58555d81 | 3238 | extern Lisp_Object pending_funcalls; |
383e0970 J |
3239 | extern int detect_input_pending (void); |
3240 | extern int detect_input_pending_ignore_squeezables (void); | |
3241 | extern int detect_input_pending_run_timers (int); | |
3242 | extern void safe_run_hooks (Lisp_Object); | |
a8fe7202 | 3243 | extern void cmd_error_internal (Lisp_Object, const char *); |
383e0970 J |
3244 | extern Lisp_Object command_loop_1 (void); |
3245 | extern Lisp_Object recursive_edit_1 (void); | |
3246 | extern void record_auto_save (void); | |
8a1414fa | 3247 | #ifdef SIGDANGER |
4752793e | 3248 | extern void force_auto_save_soon (void); |
8a1414fa | 3249 | #endif |
383e0970 J |
3250 | extern void init_keyboard (void); |
3251 | extern void syms_of_keyboard (void); | |
3252 | extern void keys_of_keyboard (void); | |
3253 | extern char *push_key_description (unsigned int, char *, int); | |
3cfe6dfd | 3254 | |
3cfe6dfd | 3255 | |
78edd3b7 | 3256 | /* Defined in indent.c */ |
2f69f2ec RS |
3257 | EXFUN (Fvertical_motion, 2); |
3258 | EXFUN (Findent_to, 2); | |
2f69f2ec | 3259 | EXFUN (Fmove_to_column, 2); |
7831777b | 3260 | extern EMACS_INT current_column (void); |
383e0970 | 3261 | extern void invalidate_current_column (void); |
7831777b | 3262 | extern int indented_beyond_p (EMACS_INT, EMACS_INT, EMACS_INT); |
383e0970 | 3263 | extern void syms_of_indent (void); |
3cfe6dfd | 3264 | |
78edd3b7 | 3265 | /* Defined in frame.c */ |
a433994a | 3266 | #ifdef HAVE_WINDOW_SYSTEM |
a433994a | 3267 | #endif /* HAVE_WINDOW_SYSTEM */ |
e6cba650 | 3268 | extern Lisp_Object Qonly; |
362fb47a | 3269 | extern Lisp_Object Qvisible; |
383e0970 J |
3270 | extern void store_frame_param (struct frame *, Lisp_Object, Lisp_Object); |
3271 | extern void store_in_alist (Lisp_Object *, Lisp_Object, Lisp_Object); | |
3272 | extern Lisp_Object do_switch_frame (Lisp_Object, int, int, Lisp_Object); | |
81626931 | 3273 | #if HAVE_NS |
383e0970 | 3274 | extern Lisp_Object get_frame_param (struct frame *, Lisp_Object); |
81626931 | 3275 | #endif |
383e0970 | 3276 | extern Lisp_Object frame_buffer_predicate (Lisp_Object); |
9e61f0d7 | 3277 | EXFUN (Fselect_frame, 2); |
2f69f2ec | 3278 | EXFUN (Fselected_frame, 0); |
2f69f2ec | 3279 | EXFUN (Fmake_frame_visible, 1); |
2f69f2ec | 3280 | EXFUN (Ficonify_frame, 1); |
4560730a | 3281 | EXFUN (Fframe_parameter, 2); |
2f69f2ec | 3282 | EXFUN (Fmodify_frame_parameters, 2); |
2f69f2ec RS |
3283 | EXFUN (Fraise_frame, 1); |
3284 | EXFUN (Fredirect_frame_focus, 2); | |
383e0970 | 3285 | extern void frames_discard_buffer (Lisp_Object); |
383e0970 | 3286 | extern void syms_of_frame (void); |
3cfe6dfd | 3287 | |
78edd3b7 | 3288 | /* Defined in emacs.c */ |
99f3388e DN |
3289 | extern char **initial_argv; |
3290 | extern int initial_argc; | |
89dc303e DN |
3291 | #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS) |
3292 | extern int display_arg; | |
3293 | #endif | |
a8fe7202 | 3294 | extern Lisp_Object decode_env_path (const char *, const char *); |
2c668b9a | 3295 | extern Lisp_Object empty_unibyte_string, empty_multibyte_string; |
e6cba650 | 3296 | extern Lisp_Object Qfile_name_handler_alist; |
35f08c38 | 3297 | #ifdef FLOAT_CATCH_SIGILL |
9af30bdf | 3298 | extern void fatal_error_signal (int); |
35f08c38 | 3299 | #endif |
89dc303e | 3300 | EXFUN (Fkill_emacs, 1) NO_RETURN; |
68c45bf0 | 3301 | #if HAVE_SETLOCALE |
383e0970 J |
3302 | void fixup_locale (void); |
3303 | void synchronize_system_messages_locale (void); | |
3304 | void synchronize_system_time_locale (void); | |
68c45bf0 PE |
3305 | #else |
3306 | #define setlocale(category, locale) | |
3307 | #define fixup_locale() | |
ca9c0567 PE |
3308 | #define synchronize_system_messages_locale() |
3309 | #define synchronize_system_time_locale() | |
68c45bf0 | 3310 | #endif |
383e0970 | 3311 | void shut_down_emacs (int, int, Lisp_Object); |
78edd3b7 | 3312 | /* Nonzero means don't do interactive redisplay and don't change tty modes. */ |
3cfe6dfd | 3313 | extern int noninteractive; |
ff808935 | 3314 | |
66b7b0fe GM |
3315 | /* Nonzero means remove site-lisp directories from load-path. */ |
3316 | extern int no_site_lisp; | |
3317 | ||
ff808935 DN |
3318 | /* Pipe used to send exit notification to the daemon parent at |
3319 | startup. */ | |
3320 | extern int daemon_pipe[2]; | |
3321 | #define IS_DAEMON (daemon_pipe[1] != 0) | |
3322 | ||
78edd3b7 | 3323 | /* Nonzero means don't do use window-system-specific display code. */ |
3cfe6dfd | 3324 | extern int inhibit_window_system; |
99a3d506 | 3325 | /* Nonzero means that a filter or a sentinel is running. */ |
7074fde6 | 3326 | extern int running_asynch_code; |
3cfe6dfd | 3327 | |
6c60eb9f | 3328 | /* Defined in process.c. */ |
89dc303e | 3329 | extern Lisp_Object QCtype, Qlocal; |
2f69f2ec | 3330 | EXFUN (Fget_buffer_process, 1); |
2f69f2ec RS |
3331 | EXFUN (Fprocess_status, 1); |
3332 | EXFUN (Fkill_process, 2); | |
2f69f2ec | 3333 | EXFUN (Fwaiting_for_user_input_p, 0); |
6efad63b | 3334 | extern Lisp_Object Qprocessp; |
383e0970 J |
3335 | extern void kill_buffer_processes (Lisp_Object); |
3336 | extern int wait_reading_process_output (int, int, int, int, | |
3337 | Lisp_Object, | |
3338 | struct Lisp_Process *, | |
3339 | int); | |
3340 | extern void add_keyboard_wait_descriptor (int); | |
3341 | extern void delete_keyboard_wait_descriptor (int); | |
4475bec4 | 3342 | #ifdef HAVE_GPM |
383e0970 J |
3343 | extern void add_gpm_wait_descriptor (int); |
3344 | extern void delete_gpm_wait_descriptor (int); | |
4475bec4 | 3345 | #endif |
383e0970 J |
3346 | extern void close_process_descs (void); |
3347 | extern void init_process (void); | |
3348 | extern void syms_of_process (void); | |
3349 | extern void setup_process_coding_systems (Lisp_Object); | |
3cfe6dfd | 3350 | |
f5969ae9 | 3351 | EXFUN (Fcall_process, MANY); |
6bd8c144 PE |
3352 | extern int child_setup (int, int, int, char **, int, Lisp_Object) |
3353 | #ifndef DOS_NT | |
3354 | NO_RETURN | |
3355 | #endif | |
3356 | ; | |
383e0970 J |
3357 | extern void init_callproc_1 (void); |
3358 | extern void init_callproc (void); | |
3359 | extern void set_initial_environment (void); | |
3360 | extern void syms_of_callproc (void); | |
3cfe6dfd | 3361 | |
78edd3b7 | 3362 | /* Defined in doc.c */ |
99f3388e | 3363 | extern Lisp_Object Qfunction_documentation; |
2f69f2ec | 3364 | EXFUN (Fsubstitute_command_keys, 1); |
383e0970 J |
3365 | extern Lisp_Object read_doc_string (Lisp_Object); |
3366 | extern Lisp_Object get_doc_string (Lisp_Object, int, int); | |
3367 | extern void syms_of_doc (void); | |
3368 | extern int read_bytecode_char (int); | |
3cfe6dfd | 3369 | |
78edd3b7 | 3370 | /* Defined in bytecode.c */ |
3cfe6dfd | 3371 | extern Lisp_Object Qbytecode; |
383e0970 | 3372 | extern void syms_of_bytecode (void); |
35c7a974 | 3373 | extern struct byte_stack *byte_stack_list; |
244ed907 | 3374 | #if BYTE_MARK_STACK |
383e0970 | 3375 | extern void mark_byte_stack (void); |
b286858c | 3376 | #endif |
383e0970 | 3377 | extern void unmark_byte_stack (void); |
0ee81a0c | 3378 | extern Lisp_Object exec_byte_code (Lisp_Object, Lisp_Object, Lisp_Object, |
f66c7cf8 | 3379 | Lisp_Object, ptrdiff_t, Lisp_Object *); |
3cfe6dfd | 3380 | |
78edd3b7 | 3381 | /* Defined in macros.c */ |
3cfe6dfd | 3382 | extern Lisp_Object Qexecute_kbd_macro; |
a361276f | 3383 | EXFUN (Fexecute_kbd_macro, 3); |
35e36092 | 3384 | EXFUN (Fcancel_kbd_macro_events, 0); |
383e0970 J |
3385 | extern void init_macros (void); |
3386 | extern void syms_of_macros (void); | |
3cfe6dfd | 3387 | |
78edd3b7 | 3388 | /* Defined in undo.c */ |
89dc303e | 3389 | extern Lisp_Object Qapply; |
a387611b | 3390 | extern Lisp_Object Qinhibit_read_only; |
2f69f2ec | 3391 | EXFUN (Fundo_boundary, 0); |
383e0970 | 3392 | extern void truncate_undo_list (struct buffer *); |
c8a66ab8 EZ |
3393 | extern void record_marker_adjustment (Lisp_Object, EMACS_INT); |
3394 | extern void record_insert (EMACS_INT, EMACS_INT); | |
3395 | extern void record_delete (EMACS_INT, Lisp_Object); | |
383e0970 | 3396 | extern void record_first_change (void); |
c8a66ab8 EZ |
3397 | extern void record_change (EMACS_INT, EMACS_INT); |
3398 | extern void record_property_change (EMACS_INT, EMACS_INT, | |
3399 | Lisp_Object, Lisp_Object, | |
383e0970 J |
3400 | Lisp_Object); |
3401 | extern void syms_of_undo (void); | |
78edd3b7 | 3402 | /* Defined in textprop.c */ |
5f6bf5fe | 3403 | extern Lisp_Object Qfont, Qmouse_face; |
c2d8811c | 3404 | extern Lisp_Object Qinsert_in_front_hooks, Qinsert_behind_hooks; |
e6cba650 DN |
3405 | extern Lisp_Object Qfront_sticky, Qrear_nonsticky; |
3406 | extern Lisp_Object Qminibuffer_prompt; | |
3407 | ||
2f69f2ec | 3408 | EXFUN (Fnext_single_property_change, 4); |
5433ffa5 | 3409 | EXFUN (Fnext_single_char_property_change, 4); |
2f69f2ec RS |
3410 | EXFUN (Fprevious_single_property_change, 4); |
3411 | EXFUN (Fget_text_property, 3); | |
3412 | EXFUN (Fput_text_property, 5); | |
2f69f2ec RS |
3413 | EXFUN (Fprevious_char_property_change, 2); |
3414 | EXFUN (Fnext_char_property_change, 2); | |
383e0970 | 3415 | extern void report_interval_modification (Lisp_Object, Lisp_Object); |
8537f1cb | 3416 | |
78edd3b7 | 3417 | /* Defined in menu.c */ |
383e0970 | 3418 | extern void syms_of_menu (void); |
febcacdd | 3419 | |
78edd3b7 | 3420 | /* Defined in xmenu.c */ |
2f69f2ec | 3421 | EXFUN (Fx_popup_menu, 2); |
897001fe | 3422 | EXFUN (Fx_popup_dialog, 3); |
383e0970 | 3423 | extern void syms_of_xmenu (void); |
526a2be7 | 3424 | |
78edd3b7 | 3425 | /* Defined in termchar.h */ |
28d7d09f KL |
3426 | struct tty_display_info; |
3427 | ||
78edd3b7 | 3428 | /* Defined in termhooks.h */ |
6ed8eeff | 3429 | struct terminal; |
28d440ab | 3430 | |
78edd3b7 | 3431 | /* Defined in sysdep.c */ |
2412f586 | 3432 | #ifndef HAVE_GET_CURRENT_DIR_NAME |
383e0970 | 3433 | extern char *get_current_dir_name (void); |
2b94e598 | 3434 | #endif |
383e0970 J |
3435 | extern void stuff_char (char c); |
3436 | extern void init_sigio (int); | |
3437 | extern void sys_subshell (void); | |
3438 | extern void sys_suspend (void); | |
3439 | extern void discard_tty_input (void); | |
3440 | extern void init_sys_modes (struct tty_display_info *); | |
3441 | extern void reset_sys_modes (struct tty_display_info *); | |
3442 | extern void init_all_sys_modes (void); | |
3443 | extern void reset_all_sys_modes (void); | |
3444 | extern void wait_for_termination (int); | |
1ef14cb4 | 3445 | extern void interruptible_wait_for_termination (int); |
383e0970 J |
3446 | extern void flush_pending_output (int); |
3447 | extern void child_setup_tty (int); | |
3448 | extern void setup_pty (int); | |
3449 | extern int set_window_size (int, int, int); | |
ede49d71 | 3450 | extern EMACS_INT get_random (void); |
a884fdcc | 3451 | extern void seed_random (long); |
383e0970 J |
3452 | extern int emacs_open (const char *, int, int); |
3453 | extern int emacs_close (int); | |
9587a89d PE |
3454 | extern EMACS_INT emacs_read (int, char *, EMACS_INT); |
3455 | extern EMACS_INT emacs_write (int, const char *, EMACS_INT); | |
d1fdcab7 PE |
3456 | enum { READLINK_BUFSIZE = 1024 }; |
3457 | extern char *emacs_readlink (const char *, char [READLINK_BUFSIZE]); | |
526a2be7 | 3458 | |
526a2be7 | 3459 | EXFUN (Funlock_buffer, 0); |
383e0970 J |
3460 | extern void unlock_all_files (void); |
3461 | extern void lock_file (Lisp_Object); | |
3462 | extern void unlock_file (Lisp_Object); | |
3463 | extern void unlock_buffer (struct buffer *); | |
3464 | extern void syms_of_filelock (void); | |
3465 | extern void init_filelock (void); | |
15b0ced5 GM |
3466 | |
3467 | /* Defined in sound.c */ | |
383e0970 J |
3468 | extern void syms_of_sound (void); |
3469 | extern void init_sound (void); | |
46abf440 AS |
3470 | |
3471 | /* Defined in category.c */ | |
383e0970 J |
3472 | extern void init_category_once (void); |
3473 | extern Lisp_Object char_category_set (int); | |
3474 | extern void syms_of_category (void); | |
46abf440 AS |
3475 | |
3476 | /* Defined in ccl.c */ | |
383e0970 | 3477 | extern void syms_of_ccl (void); |
46abf440 AS |
3478 | |
3479 | /* Defined in dired.c */ | |
383e0970 J |
3480 | extern void syms_of_dired (void); |
3481 | extern Lisp_Object directory_files_internal (Lisp_Object, Lisp_Object, | |
3482 | Lisp_Object, Lisp_Object, | |
3483 | int, Lisp_Object); | |
46abf440 | 3484 | |
46abf440 | 3485 | /* Defined in term.c */ |
e6cba650 | 3486 | extern int *char_ins_del_vector; |
e6ca6543 | 3487 | extern void mark_ttys (void); |
383e0970 | 3488 | extern void syms_of_term (void); |
1e973bc7 PE |
3489 | extern void fatal (const char *msgid, ...) |
3490 | NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 2); | |
46abf440 | 3491 | |
ed8dad6b | 3492 | /* Defined in terminal.c */ |
ce5b453a | 3493 | EXFUN (Fframe_terminal, 1); |
c2e42690 | 3494 | EXFUN (Fdelete_terminal, 2); |
383e0970 | 3495 | extern void syms_of_terminal (void); |
ed8dad6b | 3496 | |
b86cfd28 | 3497 | /* Defined in font.c */ |
383e0970 J |
3498 | extern void syms_of_font (void); |
3499 | extern void init_font (void); | |
b86cfd28 | 3500 | |
4f48f1ab | 3501 | #ifdef HAVE_WINDOW_SYSTEM |
46abf440 | 3502 | /* Defined in fontset.c */ |
383e0970 | 3503 | extern void syms_of_fontset (void); |
4f48f1ab YM |
3504 | |
3505 | /* Defined in xfns.c, w32fns.c, or macfns.c */ | |
99f3388e | 3506 | extern Lisp_Object Qfont_param; |
4f48f1ab | 3507 | EXFUN (Fxw_display_color_p, 1); |
c95a5008 | 3508 | EXFUN (Fx_focus_frame, 1); |
46abf440 AS |
3509 | #endif |
3510 | ||
3511 | /* Defined in xfaces.c */ | |
955cbe7b PE |
3512 | extern Lisp_Object Qdefault, Qtool_bar, Qfringe; |
3513 | extern Lisp_Object Qheader_line, Qscroll_bar, Qcursor; | |
3514 | extern Lisp_Object Qmode_line_inactive; | |
e6cba650 | 3515 | extern Lisp_Object Qface; |
89dc303e | 3516 | extern Lisp_Object Qnormal; |
0e9c8657 JB |
3517 | extern Lisp_Object QCfamily, QCweight, QCslant; |
3518 | extern Lisp_Object QCheight, QCname, QCwidth, QCforeground, QCbackground; | |
99f3388e | 3519 | extern Lisp_Object Vface_alternative_font_family_alist; |
99f3388e | 3520 | extern Lisp_Object Vface_alternative_font_registry_alist; |
8071c00f | 3521 | EXFUN (Fclear_face_cache, 1); |
86fa089e | 3522 | EXFUN (Fx_load_color_file, 1); |
383e0970 | 3523 | extern void syms_of_xfaces (void); |
46abf440 AS |
3524 | |
3525 | #ifdef HAVE_X_WINDOWS | |
3526 | /* Defined in xfns.c */ | |
383e0970 | 3527 | extern void syms_of_xfns (void); |
46abf440 | 3528 | |
e02207d4 | 3529 | /* Defined in xsmfns.c */ |
383e0970 | 3530 | extern void syms_of_xsmfns (void); |
e02207d4 | 3531 | |
46abf440 | 3532 | /* Defined in xselect.c */ |
383e0970 | 3533 | extern void syms_of_xselect (void); |
46abf440 AS |
3534 | |
3535 | /* Defined in xterm.c */ | |
383e0970 | 3536 | extern void syms_of_xterm (void); |
4f48f1ab | 3537 | #endif /* HAVE_X_WINDOWS */ |
4baa6f88 | 3538 | |
7af07b96 AS |
3539 | #ifdef HAVE_WINDOW_SYSTEM |
3540 | /* Defined in xterm.c, nsterm.m, w32term.c */ | |
3541 | extern char *x_get_keysym_name (int); | |
3542 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3543 | ||
b7f34997 AS |
3544 | #ifdef MSDOS |
3545 | /* Defined in msdos.c */ | |
3546 | EXFUN (Fmsdos_downcase_filename, 1); | |
3547 | #endif | |
4f48f1ab | 3548 | |
381408e2 LMI |
3549 | #ifdef HAVE_LIBXML2 |
3550 | /* Defined in xml.c */ | |
3551 | extern void syms_of_xml (void); | |
3552 | #endif | |
3553 | ||
4d0ac3d7 | 3554 | #ifdef HAVE_MENUS |
07b87a10 | 3555 | /* Defined in (x|w32)fns.c, nsfns.m... */ |
383e0970 | 3556 | extern int have_menus_p (void); |
4d0ac3d7 | 3557 | #endif |
b86cfd28 EZ |
3558 | |
3559 | #ifdef HAVE_DBUS | |
3560 | /* Defined in dbusbind.c */ | |
383e0970 | 3561 | void syms_of_dbusbind (void); |
b86cfd28 | 3562 | #endif |
36e053eb DN |
3563 | |
3564 | #ifdef DOS_NT | |
3565 | /* Defined in msdos.c, w32.c */ | |
3566 | extern char *emacs_root_dir (void); | |
3567 | #endif /* DOS_NT */ | |
83925baa | 3568 | \f |
3cfe6dfd JB |
3569 | /* Nonzero means Emacs has already been initialized. |
3570 | Used during startup to detect startup of dumped Emacs. */ | |
3571 | extern int initialized; | |
3572 | ||
3573 | extern int immediate_quit; /* Nonzero means ^G can quit instantly */ | |
3574 | ||
383e0970 J |
3575 | extern POINTER_TYPE *xmalloc (size_t); |
3576 | extern POINTER_TYPE *xrealloc (POINTER_TYPE *, size_t); | |
3577 | extern void xfree (POINTER_TYPE *); | |
0065d054 PE |
3578 | extern void *xnmalloc (ptrdiff_t, ptrdiff_t); |
3579 | extern void *xnrealloc (void *, ptrdiff_t, ptrdiff_t); | |
3580 | extern void *xpalloc (void *, ptrdiff_t *, ptrdiff_t, ptrdiff_t, ptrdiff_t); | |
074b6efe | 3581 | |
383e0970 | 3582 | extern char *xstrdup (const char *); |
3cfe6dfd | 3583 | |
a8fe7202 | 3584 | extern char *egetenv (const char *); |
e98227af | 3585 | |
5d6be39f | 3586 | /* Set up the name of the machine we're running on. */ |
383e0970 | 3587 | extern void init_system_name (void); |
881a5a80 RS |
3588 | |
3589 | /* Some systems (e.g., NT) use a different path separator than Unix, | |
087fc47a | 3590 | in addition to a device separator. Set the path separator |
881a5a80 RS |
3591 | to '/', and don't test for a device separator in IS_ANY_SEP. */ |
3592 | ||
881a5a80 | 3593 | #define DIRECTORY_SEP '/' |
881a5a80 RS |
3594 | #ifndef IS_DIRECTORY_SEP |
3595 | #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP) | |
3596 | #endif | |
3597 | #ifndef IS_DEVICE_SEP | |
3598 | #ifndef DEVICE_SEP | |
3599 | #define IS_DEVICE_SEP(_c_) 0 | |
3600 | #else | |
3601 | #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP) | |
3602 | #endif | |
3603 | #endif | |
3604 | #ifndef IS_ANY_SEP | |
3605 | #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_)) | |
3606 | #endif | |
51bd4610 | 3607 | |
51bd4610 | 3608 | #define SWITCH_ENUM_CAST(x) (x) |
a32fa736 | 3609 | |
f2ed8a70 | 3610 | /* Use this to suppress gcc's warnings. */ |
dba65498 | 3611 | #ifdef lint |
f2ed8a70 PE |
3612 | |
3613 | /* Use CODE only if lint checking is in effect. */ | |
dba65498 | 3614 | # define IF_LINT(Code) Code |
f2ed8a70 PE |
3615 | |
3616 | /* Assume that the expression COND is true. This differs in intent | |
3617 | from 'assert', as it is a message from the programmer to the compiler. */ | |
3618 | # define lint_assume(cond) ((cond) ? (void) 0 : abort ()) | |
3619 | ||
dba65498 PE |
3620 | #else |
3621 | # define IF_LINT(Code) /* empty */ | |
f2ed8a70 | 3622 | # define lint_assume(cond) ((void) (0 && (cond))) |
dba65498 PE |
3623 | #endif |
3624 | ||
8a226de7 GM |
3625 | /* The ubiquitous min and max macros. */ |
3626 | ||
152180e3 AI |
3627 | #ifdef max |
3628 | #undef max | |
3629 | #undef min | |
3630 | #endif | |
8a226de7 GM |
3631 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
3632 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
53ede3f4 | 3633 | |
555b10b0 EZ |
3634 | /* We used to use `abs', but that clashes with system headers on some |
3635 | platforms, and using a name reserved by Standard C is a bad idea | |
3636 | anyway. */ | |
3637 | #if !defined(eabs) | |
3638 | #define eabs(x) ((x) < 0 ? -(x) : (x)) | |
096e8667 GM |
3639 | #endif |
3640 | ||
53ede3f4 GM |
3641 | /* Return a fixnum or float, depending on whether VAL fits in a Lisp |
3642 | fixnum. */ | |
3643 | ||
3644 | #define make_fixnum_or_float(val) \ | |
cbeff735 | 3645 | (FIXNUM_OVERFLOW_P (val) ? make_float (val) : make_number (val)) |
6b61353c | 3646 | |
e32d9872 MB |
3647 | |
3648 | /* Checks the `cycle check' variable CHECK to see if it indicates that | |
3649 | EL is part of a cycle; CHECK must be either Qnil or a value returned | |
3650 | by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of | |
3651 | elements after which a cycle might be suspected; after that many | |
3652 | elements, this macro begins consing in order to keep more precise | |
3653 | track of elements. | |
3654 | ||
3655 | Returns nil if a cycle was detected, otherwise a new value for CHECK | |
3656 | that includes EL. | |
3657 | ||
3658 | CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so | |
3659 | the caller should make sure that's ok. */ | |
3660 | ||
3661 | #define CYCLE_CHECK(check, el, suspicious) \ | |
3662 | (NILP (check) \ | |
3663 | ? make_number (0) \ | |
3664 | : (INTEGERP (check) \ | |
3665 | ? (XFASTINT (check) < (suspicious) \ | |
3666 | ? make_number (XFASTINT (check) + 1) \ | |
3667 | : Fcons (el, Qnil)) \ | |
3668 | : (!NILP (Fmemq ((el), (check))) \ | |
3669 | ? Qnil \ | |
3670 | : Fcons ((el), (check))))) | |
3671 | ||
3672 | ||
79518a8d KS |
3673 | /* SAFE_ALLOCA normally allocates memory on the stack, but if size is |
3674 | larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */ | |
3675 | ||
3676 | #define MAX_ALLOCA 16*1024 | |
3677 | ||
3678 | extern Lisp_Object safe_alloca_unwind (Lisp_Object); | |
3679 | ||
3680 | #define USE_SAFE_ALLOCA \ | |
40283062 | 3681 | int sa_count = (int) SPECPDL_INDEX (), sa_must_free = 0 |
79518a8d | 3682 | |
a9e6bacc KS |
3683 | /* SAFE_ALLOCA allocates a simple buffer. */ |
3684 | ||
79518a8d KS |
3685 | #define SAFE_ALLOCA(buf, type, size) \ |
3686 | do { \ | |
3687 | if ((size) < MAX_ALLOCA) \ | |
3688 | buf = (type) alloca (size); \ | |
3689 | else \ | |
3690 | { \ | |
3691 | buf = (type) xmalloc (size); \ | |
a2d26660 | 3692 | sa_must_free = 1; \ |
79518a8d KS |
3693 | record_unwind_protect (safe_alloca_unwind, \ |
3694 | make_save_value (buf, 0)); \ | |
3695 | } \ | |
3696 | } while (0) | |
3697 | ||
0065d054 PE |
3698 | /* SAFE_NALLOCA sets BUF to a newly allocated array of MULTIPLIER * |
3699 | NITEMS items, each of the same type as *BUF. MULTIPLIER must | |
3700 | positive. The code is tuned for MULTIPLIER being a constant. */ | |
3701 | ||
3702 | #define SAFE_NALLOCA(buf, multiplier, nitems) \ | |
3703 | do { \ | |
3704 | if ((nitems) <= MAX_ALLOCA / sizeof *(buf) / (multiplier)) \ | |
3705 | (buf) = alloca (sizeof *(buf) * (multiplier) * (nitems)); \ | |
3706 | else \ | |
3707 | { \ | |
3708 | (buf) = xnmalloc (nitems, sizeof *(buf) * (multiplier)); \ | |
3709 | sa_must_free = 1; \ | |
3710 | record_unwind_protect (safe_alloca_unwind, \ | |
3711 | make_save_value (buf, 0)); \ | |
3712 | } \ | |
3713 | } while (0) | |
3714 | ||
a9e6bacc KS |
3715 | /* SAFE_FREE frees xmalloced memory and enables GC as needed. */ |
3716 | ||
c33188d9 | 3717 | #define SAFE_FREE() \ |
79518a8d | 3718 | do { \ |
c33188d9 KS |
3719 | if (sa_must_free) { \ |
3720 | sa_must_free = 0; \ | |
79518a8d | 3721 | unbind_to (sa_count, Qnil); \ |
c33188d9 | 3722 | } \ |
79518a8d KS |
3723 | } while (0) |
3724 | ||
3725 | ||
5f5d6c62 KS |
3726 | /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */ |
3727 | ||
3728 | #define SAFE_ALLOCA_LISP(buf, nelt) \ | |
3729 | do { \ | |
9c4c5f81 PE |
3730 | if ((nelt) < MAX_ALLOCA / sizeof (Lisp_Object)) \ |
3731 | buf = (Lisp_Object *) alloca ((nelt) * sizeof (Lisp_Object)); \ | |
3732 | else if ((nelt) < min (PTRDIFF_MAX, SIZE_MAX) / sizeof (Lisp_Object)) \ | |
5f5d6c62 KS |
3733 | { \ |
3734 | Lisp_Object arg_; \ | |
9c4c5f81 | 3735 | buf = (Lisp_Object *) xmalloc ((nelt) * sizeof (Lisp_Object)); \ |
5f5d6c62 KS |
3736 | arg_ = make_save_value (buf, nelt); \ |
3737 | XSAVE_VALUE (arg_)->dogc = 1; \ | |
a2d26660 | 3738 | sa_must_free = 1; \ |
5f5d6c62 KS |
3739 | record_unwind_protect (safe_alloca_unwind, arg_); \ |
3740 | } \ | |
9c4c5f81 PE |
3741 | else \ |
3742 | memory_full (SIZE_MAX); \ | |
5f5d6c62 KS |
3743 | } while (0) |
3744 | ||
79518a8d | 3745 | |
29208e82 TT |
3746 | #include "globals.h" |
3747 | ||
6b61353c | 3748 | #endif /* EMACS_LISP_H */ |